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Merge pull request #2875 from RasmusWL/python-taint-urlsplit
Python: Add taint for urlsplit
This commit is contained in:
Taus
@@ -2,45 +2,40 @@ import python
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import Basic
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private import Common
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/** An extensible kind of taint representing an externally controlled string.
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/**
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* An extensible kind of taint representing an externally controlled string.
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*/
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abstract class ExternalStringKind extends StringKind {
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bindingset[this]
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ExternalStringKind() {
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this = this
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}
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ExternalStringKind() { this = this }
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override TaintKind getTaintForFlowStep(ControlFlowNode fromnode, ControlFlowNode tonode) {
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result = StringKind.super.getTaintForFlowStep(fromnode, tonode)
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or
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tonode.(SequenceNode).getElement(_) = fromnode and result.(ExternalStringSequenceKind).getItem() = this
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tonode.(SequenceNode).getElement(_) = fromnode and
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result.(ExternalStringSequenceKind).getItem() = this
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or
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json_load(fromnode, tonode) and result.(ExternalJsonKind).getValue() = this
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or
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tonode.(DictNode).getAValue() = fromnode and result.(ExternalStringDictKind).getValue() = this
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or
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urlsplit(fromnode, tonode) and result.(ExternalUrlSplitResult).getItem() = this
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or
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urlparse(fromnode, tonode) and result.(ExternalUrlParseResult).getItem() = this
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}
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}
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/** A kind of "taint", representing a sequence, with a "taint" member */
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class ExternalStringSequenceKind extends SequenceKind {
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ExternalStringSequenceKind() {
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this.getItem() instanceof ExternalStringKind
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}
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ExternalStringSequenceKind() { this.getItem() instanceof ExternalStringKind }
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}
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/** An hierachical dictionary or list where the entire structure is externally controlled
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/**
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* An hierachical dictionary or list where the entire structure is externally controlled
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* This is typically a parsed JSON object.
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*/
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class ExternalJsonKind extends TaintKind {
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ExternalJsonKind() {
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this = "json[" + any(ExternalStringKind key) + "]"
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}
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ExternalJsonKind() { this = "json[" + any(ExternalStringKind key) + "]" }
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/** Gets the taint kind for item in this sequence */
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TaintKind getValue() {
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@@ -54,65 +49,225 @@ class ExternalJsonKind extends TaintKind {
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json_subscript_taint(tonode, fromnode, this, result)
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or
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result = this and copy_call(fromnode, tonode)
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}
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}
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override TaintKind getTaintOfMethodResult(string name) {
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name = "get" and result = this.getValue()
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}
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}
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}
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/** A kind of "taint", representing a dictionary mapping str->"taint" */
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class ExternalStringDictKind extends DictKind {
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ExternalStringDictKind() {
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this.getValue() instanceof ExternalStringKind
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}
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ExternalStringDictKind() { this.getValue() instanceof ExternalStringKind }
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}
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/** A kind of "taint", representing a dictionary mapping strings to sequences of
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* tainted strings */
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/**
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* A kind of "taint", representing a dictionary mapping strings to sequences of
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* tainted strings
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*/
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class ExternalStringSequenceDictKind extends DictKind {
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ExternalStringSequenceDictKind() {
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this.getValue() instanceof ExternalStringSequenceKind
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ExternalStringSequenceDictKind() { this.getValue() instanceof ExternalStringSequenceKind }
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}
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/** TaintKind for the result of `urlsplit(tainted_string)` */
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class ExternalUrlSplitResult extends ExternalStringSequenceKind {
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// https://docs.python.org/3/library/urllib.parse.html#urllib.parse.urlsplit
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override TaintKind getTaintOfAttribute(string name) {
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result = super.getTaintOfAttribute(name)
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or
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(
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// namedtuple field names
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name = "scheme" or
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name = "netloc" or
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name = "path" or
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name = "query" or
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name = "fragment" or
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// class methods
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name = "username" or
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name = "password" or
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name = "hostname"
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) and
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result instanceof ExternalStringKind
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}
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override TaintKind getTaintOfMethodResult(string name) {
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result = super.getTaintOfMethodResult(name)
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or
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name = "geturl" and
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result instanceof ExternalStringKind
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}
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}
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/** TaintKind for the result of `urlparse(tainted_string)` */
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class ExternalUrlParseResult extends ExternalStringSequenceKind {
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// https://docs.python.org/3/library/urllib.parse.html#urllib.parse.urlparse
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override TaintKind getTaintOfAttribute(string name) {
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result = super.getTaintOfAttribute(name)
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or
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(
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// namedtuple field names
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name = "scheme" or
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name = "netloc" or
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name = "path" or
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name = "params" or
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name = "query" or
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name = "fragment" or
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// class methods
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name = "username" or
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name = "password" or
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name = "hostname"
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) and
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result instanceof ExternalStringKind
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}
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override TaintKind getTaintOfMethodResult(string name) {
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result = super.getTaintOfMethodResult(name)
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or
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name = "geturl" and
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result instanceof ExternalStringKind
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}
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}
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/* Helper for getTaintForStep() */
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pragma [noinline]
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private predicate json_subscript_taint(SubscriptNode sub, ControlFlowNode obj, ExternalJsonKind seq, TaintKind key) {
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pragma[noinline]
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private predicate json_subscript_taint(
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SubscriptNode sub, ControlFlowNode obj, ExternalJsonKind seq, TaintKind key
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) {
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sub.isLoad() and
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sub.getValue() = obj and
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key = seq.getValue()
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}
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private predicate json_load(ControlFlowNode fromnode, CallNode tonode) {
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exists(FunctionObject json_loads |
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ModuleObject::named("json").attr("loads") = json_loads and
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json_loads.getACall() = tonode and tonode.getArg(0) = fromnode
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json_loads.getACall() = tonode and
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tonode.getArg(0) = fromnode
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)
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}
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private predicate urlsplit(ControlFlowNode fromnode, CallNode tonode) {
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// This could be implemented as `exists(FunctionValue` without the explicit six part,
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// but then our tests will need to import +100 modules, so for now this slightly
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// altered version gets to live on.
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exists(Value urlsplit |
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(
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urlsplit = Value::named("six.moves.urllib.parse.urlsplit")
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or
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// Python 2
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urlsplit = Value::named("urlparse.urlsplit")
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or
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// Python 3
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urlsplit = Value::named("urllib.parse.urlsplit")
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) and
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tonode = urlsplit.getACall() and
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tonode.getArg(0) = fromnode
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)
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}
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private predicate urlparse(ControlFlowNode fromnode, CallNode tonode) {
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// This could be implemented as `exists(FunctionValue` without the explicit six part,
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// but then our tests will need to import +100 modules, so for now this slightly
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// altered version gets to live on.
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exists(Value urlparse |
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(
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urlparse = Value::named("six.moves.urllib.parse.urlparse")
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or
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// Python 2
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urlparse = Value::named("urlparse.urlparse")
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or
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// Python 3
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urlparse = Value::named("urllib.parse.urlparse")
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) and
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tonode = urlparse.getACall() and
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tonode.getArg(0) = fromnode
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)
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}
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/** A kind of "taint", representing an open file-like object from an external source. */
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class ExternalFileObject extends TaintKind {
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ExternalFileObject() {
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this = "file[" + any(ExternalStringKind key) + "]"
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}
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ExternalFileObject() { this = "file[" + any(ExternalStringKind key) + "]" }
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/** Gets the taint kind for the contents of this file */
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TaintKind getValue() {
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this = "file[" + result + "]"
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}
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TaintKind getValue() { this = "file[" + result + "]" }
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override TaintKind getTaintOfMethodResult(string name) {
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name = "read" and result = this.getValue()
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}
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}
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/**
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* Temporary sanitizer for the tainted result from `urlsplit` and `urlparse`. Can be used to reduce FPs until
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* we have better support for namedtuples.
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*
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* Will clear **all** taint on a test of the kind. That is, on the true edge of any matching test,
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* all fields/indexes will be cleared of taint.
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*
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* Handles:
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* - `if splitres.netloc == "KNOWN_VALUE"`
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* - `if splitres[0] == "KNOWN_VALUE"`
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*/
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class UrlsplitUrlparseTempSanitizer extends Sanitizer {
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// TODO: remove this once we have better support for named tuples
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UrlsplitUrlparseTempSanitizer() { this = "UrlsplitUrlparseTempSanitizer" }
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override predicate sanitizingEdge(TaintKind taint, PyEdgeRefinement test) {
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(
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taint instanceof ExternalUrlSplitResult
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or
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taint instanceof ExternalUrlParseResult
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) and
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exists(ControlFlowNode full_use |
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full_use.(SubscriptNode).getObject() = test.getInput().getAUse()
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or
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full_use.(AttrNode).getObject() = test.getInput().getAUse()
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clears_taint(_, full_use, test.getTest(), test.getSense())
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)
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}
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private predicate clears_taint(ControlFlowNode final_test, ControlFlowNode tainted, ControlFlowNode test, boolean sense) {
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test_equality_with_const(final_test, tainted, sense)
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or
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test_in_const_seq(final_test, tainted, sense)
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or
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test.(UnaryExprNode).getNode().getOp() instanceof Not and
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exists(ControlFlowNode nested_test |
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nested_test = test.(UnaryExprNode).getOperand() and
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clears_taint(final_test, tainted, nested_test, sense.booleanNot())
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)
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}
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/** holds for `== "KNOWN_VALUE"` on `true` edge, and `!= "KNOWN_VALUE"` on `false` edge */
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private predicate test_equality_with_const(CompareNode cmp, ControlFlowNode tainted, boolean sense) {
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exists(ControlFlowNode const, Cmpop op |
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const.getNode() instanceof StrConst
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|
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(
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cmp.operands(const, op, tainted)
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or
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cmp.operands(tainted, op, const)
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) and
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(
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op instanceof Eq and sense = true
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or
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op instanceof NotEq and sense = false
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)
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)
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}
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/** holds for `in ["KNOWN_VALUE", ...]` on `true` edge, and `not in ["KNOWN_VALUE", ...]` on `false` edge */
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private predicate test_in_const_seq(CompareNode cmp, ControlFlowNode tainted, boolean sense) {
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exists(SequenceNode const_seq, Cmpop op |
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forall(ControlFlowNode elem | elem = const_seq.getAnElement() | elem.getNode() instanceof StrConst)
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|
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cmp.operands(tainted, op, const_seq) and
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(
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op instanceof In and sense = true
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or
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op instanceof NotIn and sense = false
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)
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)
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}
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}
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@@ -0,0 +1,7 @@
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| UrlsplitUrlparseTempSanitizer | [externally controlled string] | test.py:21 | Pi(urlsplit_res_0) [true] |
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| UrlsplitUrlparseTempSanitizer | [externally controlled string] | test.py:24 | Pi(urlsplit_res_3) [true] |
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| UrlsplitUrlparseTempSanitizer | [externally controlled string] | test.py:27 | Pi(urlsplit_res_6) [true] |
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| UrlsplitUrlparseTempSanitizer | [externally controlled string] | test.py:30 | Pi(urlsplit_res_9) [true] |
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| string equality sanitizer | externally controlled string | test.py:21 | Pi(urlsplit_res_0) [true] |
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| string equality sanitizer | externally controlled string | test.py:24 | Pi(urlsplit_res_3) [true] |
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| string equality sanitizer | externally controlled string | test.py:27 | Pi(urlsplit_res_6) [true] |
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@@ -0,0 +1,6 @@
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import python
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import Taint
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from Sanitizer s, TaintKind taint, PyEdgeRefinement test
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where s.sanitizingEdge(taint, test)
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select s, taint, test.getTest().getLocation().toString(), test.getRepresentation()
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47
python/ql/test/library-tests/taint/namedtuple/Taint.qll
Normal file
47
python/ql/test/library-tests/taint/namedtuple/Taint.qll
Normal file
@@ -0,0 +1,47 @@
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import python
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import semmle.python.security.TaintTracking
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import semmle.python.security.strings.Untrusted
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class SimpleSource extends TaintSource {
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SimpleSource() { this.(NameNode).getId() = "TAINTED_STRING" }
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override predicate isSourceOf(TaintKind kind) { kind instanceof ExternalStringKind }
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override string toString() { result = "taint source" }
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}
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class ListSource extends TaintSource {
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ListSource() { this.(NameNode).getId() = "TAINTED_LIST" }
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override predicate isSourceOf(TaintKind kind) { kind instanceof ExternalStringSequenceKind }
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override string toString() { result = "list taint source" }
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}
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class DictSource extends TaintSource {
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DictSource() { this.(NameNode).getId() = "TAINTED_DICT" }
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override predicate isSourceOf(TaintKind kind) { kind instanceof ExternalStringDictKind }
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override string toString() { result = "dict taint source" }
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}
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class TestConfig extends TaintTracking::Configuration {
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TestConfig() { this = "TestConfig" }
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override predicate isSanitizer(Sanitizer sanitizer) {
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sanitizer instanceof UrlsplitUrlparseTempSanitizer
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}
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override predicate isSource(TaintTracking::Source source) {
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source instanceof SimpleSource
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or
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source instanceof ListSource
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or
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source instanceof DictSource
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}
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override predicate isSink(TaintTracking::Sink sink) {
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none()
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}
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}
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@@ -0,0 +1,15 @@
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| test.py:13 | test_basic | a | externally controlled string |
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| test.py:13 | test_basic | b | externally controlled string |
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| test.py:13 | test_basic | c | externally controlled string |
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| test.py:13 | test_basic | d | externally controlled string |
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| test.py:13 | test_basic | urlsplit_res | [externally controlled string] |
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| test.py:19 | test_sanitizer | Attribute | externally controlled string |
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| test.py:22 | test_sanitizer | Attribute | NO TAINT |
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| test.py:25 | test_sanitizer | Subscript | NO TAINT |
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| test.py:28 | test_sanitizer | Attribute | NO TAINT |
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| test.py:31 | test_sanitizer | Attribute | NO TAINT |
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| test.py:34 | test_sanitizer | Attribute | externally controlled string |
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| test.py:44 | test_namedtuple | a | NO TAINT |
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| test.py:44 | test_namedtuple | b | NO TAINT |
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| test.py:44 | test_namedtuple | c | NO TAINT |
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| test.py:44 | test_namedtuple | d | NO TAINT |
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18
python/ql/test/library-tests/taint/namedtuple/TestTaint.ql
Normal file
18
python/ql/test/library-tests/taint/namedtuple/TestTaint.ql
Normal file
@@ -0,0 +1,18 @@
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import python
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import semmle.python.security.TaintTracking
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import Taint
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from Call call, Expr arg, string taint_string
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where
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call.getLocation().getFile().getShortName() = "test.py" and
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call.getFunc().(Name).getId() = "test" and
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arg = call.getAnArg() and
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(
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not exists(TaintedNode tainted | tainted.getAstNode() = arg) and
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taint_string = "NO TAINT"
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or
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exists(TaintedNode tainted | tainted.getAstNode() = arg |
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taint_string = tainted.getTaintKind().toString()
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)
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)
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select arg.getLocation().toString(), call.getScope().(Function).getName(), arg.toString(), taint_string
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44
python/ql/test/library-tests/taint/namedtuple/test.py
Normal file
44
python/ql/test/library-tests/taint/namedtuple/test.py
Normal file
@@ -0,0 +1,44 @@
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from six.moves.urllib.parse import urlsplit
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# Currently we don't have support for namedtuples in general, but do have special support
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# for `urlsplit` (and `urlparse`)
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def test_basic():
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||||
tainted_string = TAINTED_STRING
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||||
urlsplit_res = urlsplit(tainted_string)
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||||
a = urlsplit_res.netloc # field access
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b = urlsplit_res.hostname # property
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c = urlsplit_res[3] # indexing
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||||
_, _, d, _, _ = urlsplit(tainted_string) # unpacking
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||||
test(a, b, c, d, urlsplit_res)
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||||
|
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def test_sanitizer():
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tainted_string = TAINTED_STRING
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urlsplit_res = urlsplit(tainted_string)
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||||
test(urlsplit_res.netloc) # should be tainted
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||||
if urlsplit_res.netloc == "OK":
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test(urlsplit_res.netloc)
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|
||||
if urlsplit_res[2] == "OK":
|
||||
test(urlsplit_res[0])
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||||
|
||||
if urlsplit_res.netloc == "OK":
|
||||
test(urlsplit_res.path) # FN
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||||
|
||||
if urlsplit_res.netloc in ["OK"]:
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||||
test(urlsplit_res.netloc)
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|
||||
if urlsplit_res.netloc in ["OK", non_constant()]:
|
||||
test(urlsplit_res.netloc) # should be tainted
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||||
|
||||
def test_namedtuple():
|
||||
tainted_string = TAINTED_STRING
|
||||
Point = namedtuple('Point', ['x', 'y'])
|
||||
p = Point('safe', tainted_string)
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||||
a = p.x
|
||||
b = p.y
|
||||
c = p[0]
|
||||
d = p[1]
|
||||
test(a, b, c, d) # TODO: FN, at least p.y and p[1] should be tainted
|
||||
@@ -1,16 +0,0 @@
|
||||
| Taint exception.info | test.py:41 | test.py:41:22:41:26 | taint | p1 = exception.info |
|
||||
| Taint exception.info | test.py:42 | test.py:42:12:42:22 | func() | p1 = exception.info |
|
||||
| Taint exception.info | test.py:42 | test.py:42:17:42:21 | taint | p1 = exception.info |
|
||||
| Taint exception.info | test.py:45 | test.py:45:12:45:33 | TAINTED_EXCEPTION_INFO | |
|
||||
| Taint exception.info | test.py:46 | test.py:46:11:46:41 | cross_over() | |
|
||||
| Taint exception.info | test.py:46 | test.py:46:37:46:40 | info | |
|
||||
| Taint exception.info | test.py:48 | test.py:48:19:48:21 | arg | p0 = exception.info |
|
||||
| Taint exception.info | test.py:49 | test.py:49:12:49:14 | arg | p0 = exception.info |
|
||||
| Taint externally controlled string | test.py:41 | test.py:41:22:41:26 | taint | p1 = externally controlled string |
|
||||
| Taint externally controlled string | test.py:42 | test.py:42:12:42:22 | func() | p1 = externally controlled string |
|
||||
| Taint externally controlled string | test.py:42 | test.py:42:17:42:21 | taint | p1 = externally controlled string |
|
||||
| Taint externally controlled string | test.py:48 | test.py:48:19:48:21 | arg | p0 = externally controlled string |
|
||||
| Taint externally controlled string | test.py:49 | test.py:49:12:49:14 | arg | p0 = externally controlled string |
|
||||
| Taint externally controlled string | test.py:52 | test.py:52:11:52:33 | TAINTED_EXTERNAL_STRING | |
|
||||
| Taint externally controlled string | test.py:53 | test.py:53:11:53:41 | cross_over() | |
|
||||
| Taint externally controlled string | test.py:53 | test.py:53:38:53:40 | ext | |
|
||||
@@ -1,37 +0,0 @@
|
||||
import python
|
||||
import semmle.python.security.TaintTracking
|
||||
|
||||
import semmle.python.security.Exceptions
|
||||
import semmle.python.security.strings.Untrusted
|
||||
|
||||
|
||||
class ExceptionInfoSource extends TaintSource {
|
||||
|
||||
ExceptionInfoSource() { this.(NameNode).getId() = "TAINTED_EXCEPTION_INFO" }
|
||||
|
||||
override predicate isSourceOf(TaintKind kind) {
|
||||
kind instanceof ExceptionInfo
|
||||
}
|
||||
|
||||
override string toString() {
|
||||
result = "Exception info source"
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
class ExternalStringSource extends TaintSource {
|
||||
|
||||
ExternalStringSource() { this.(NameNode).getId() = "TAINTED_EXTERNAL_STRING" }
|
||||
|
||||
override predicate isSourceOf(TaintKind kind) {
|
||||
kind instanceof ExternalStringKind
|
||||
}
|
||||
|
||||
override string toString() {
|
||||
result = "Untrusted string source"
|
||||
}
|
||||
|
||||
}
|
||||
from TaintedNode n
|
||||
where n.getLocation().getFile().getShortName() = "test.py"
|
||||
select "Taint " + n.getTaintKind(), n.getLocation().toString(), n.getAstNode(), n.getContext()
|
||||
@@ -1,11 +1,12 @@
|
||||
import python
|
||||
import semmle.python.security.TaintTracking
|
||||
import semmle.python.security.strings.Untrusted
|
||||
import semmle.python.security.Exceptions
|
||||
|
||||
|
||||
class SimpleSource extends TaintSource {
|
||||
|
||||
SimpleSource() { this.(NameNode).getId() = "TAINTED" }
|
||||
SimpleSource() { this.(NameNode).getId() = "TAINTED_STRING" }
|
||||
|
||||
override predicate isSourceOf(TaintKind kind) {
|
||||
kind instanceof ExternalStringKind
|
||||
@@ -46,3 +47,16 @@ class DictSource extends TaintSource {
|
||||
}
|
||||
|
||||
|
||||
class ExceptionInfoSource extends TaintSource {
|
||||
|
||||
ExceptionInfoSource() { this.(NameNode).getId() = "TAINTED_EXCEPTION_INFO" }
|
||||
|
||||
override predicate isSourceOf(TaintKind kind) {
|
||||
kind instanceof ExceptionInfo
|
||||
}
|
||||
|
||||
override string toString() {
|
||||
result = "Exception info source"
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@@ -1,43 +0,0 @@
|
||||
| Taint externally controlled string | test.py:5 | test.py:5:22:5:28 | TAINTED | |
|
||||
| Taint externally controlled string | test.py:6 | test.py:6:31:6:44 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:7 | test.py:7:9:7:25 | Subscript | |
|
||||
| Taint externally controlled string | test.py:8 | test.py:8:9:8:9 | a | |
|
||||
| Taint externally controlled string | test.py:8 | test.py:8:9:8:18 | Attribute() | |
|
||||
| Taint externally controlled string | test.py:9 | test.py:9:9:9:9 | b | |
|
||||
| Taint externally controlled string | test.py:9 | test.py:9:9:9:14 | Subscript | |
|
||||
| Taint externally controlled string | test.py:12 | test.py:12:22:12:28 | TAINTED | |
|
||||
| Taint externally controlled string | test.py:13 | test.py:13:9:13:22 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:13 | test.py:13:9:13:31 | Attribute() | |
|
||||
| Taint externally controlled string | test.py:14 | test.py:14:9:14:22 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:14 | test.py:14:9:14:29 | Attribute() | |
|
||||
| Taint externally controlled string | test.py:15 | test.py:15:9:15:22 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:15 | test.py:15:9:15:25 | Subscript | |
|
||||
| Taint externally controlled string | test.py:16 | test.py:16:9:16:22 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:16 | test.py:16:9:16:27 | Subscript | |
|
||||
| Taint externally controlled string | test.py:17 | test.py:17:9:17:32 | reversed() | |
|
||||
| Taint externally controlled string | test.py:17 | test.py:17:18:17:31 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:18 | test.py:18:9:18:28 | copy() | |
|
||||
| Taint externally controlled string | test.py:18 | test.py:18:14:18:27 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:19 | test.py:19:9:19:22 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:19 | test.py:19:9:19:30 | Attribute() | |
|
||||
| Taint externally controlled string | test.py:22 | test.py:22:22:22:28 | TAINTED | |
|
||||
| Taint externally controlled string | test.py:23 | test.py:23:8:23:21 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:26 | test.py:26:23:26:36 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:29 | test.py:29:22:29:28 | TAINTED | |
|
||||
| Taint externally controlled string | test.py:30 | test.py:30:8:30:21 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:30 | test.py:30:34:30:47 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:33 | test.py:33:23:33:36 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:36 | test.py:36:22:36:28 | TAINTED | |
|
||||
| Taint externally controlled string | test.py:37 | test.py:37:9:37:27 | str() | |
|
||||
| Taint externally controlled string | test.py:37 | test.py:37:13:37:26 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:38 | test.py:38:9:38:29 | bytes() | |
|
||||
| Taint externally controlled string | test.py:38 | test.py:38:15:38:28 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:39 | test.py:39:9:39:46 | bytes() | |
|
||||
| Taint externally controlled string | test.py:39 | test.py:39:15:39:28 | tainted_string | |
|
||||
| Taint json[externally controlled string] | test.py:6 | test.py:6:20:6:45 | Attribute() | |
|
||||
| Taint json[externally controlled string] | test.py:7 | test.py:7:9:7:20 | tainted_json | |
|
||||
| Taint json[externally controlled string] | test.py:7 | test.py:7:9:7:25 | Subscript | |
|
||||
| Taint json[externally controlled string] | test.py:8 | test.py:8:9:8:9 | a | |
|
||||
| Taint json[externally controlled string] | test.py:8 | test.py:8:9:8:18 | Attribute() | |
|
||||
| Taint json[externally controlled string] | test.py:9 | test.py:9:9:9:9 | b | |
|
||||
| Taint json[externally controlled string] | test.py:9 | test.py:9:9:9:14 | Subscript | |
|
||||
@@ -1,8 +0,0 @@
|
||||
import python
|
||||
import semmle.python.security.TaintTracking
|
||||
import Taint
|
||||
|
||||
|
||||
from TaintedNode n
|
||||
where n.getLocation().getFile().getShortName() = "test.py"
|
||||
select "Taint " + n.getTaintKind(), n.getLocation().toString(), n.getCfgNode().getNode(), n.getContext()
|
||||
@@ -1,38 +1,76 @@
|
||||
| Taint externally controlled string | test.py:5 | test.py:5:22:5:28 | TAINTED | | --> | Taint externally controlled string | test.py:6 | test.py:6:31:6:44 | tainted_string | |
|
||||
| Taint [externally controlled string] | test.py:67 | test.py:67:20:67:43 | urlsplit() | | --> | Taint [externally controlled string] | test.py:69 | test.py:69:10:69:21 | urlsplit_res | |
|
||||
| Taint [externally controlled string] | test.py:68 | test.py:68:20:68:43 | urlparse() | | --> | Taint [externally controlled string] | test.py:69 | test.py:69:24:69:35 | urlparse_res | |
|
||||
| Taint exception.info | test.py:44 | test.py:44:22:44:26 | taint | p1 = exception.info | --> | Taint exception.info | test.py:45 | test.py:45:17:45:21 | taint | p1 = exception.info |
|
||||
| Taint exception.info | test.py:45 | test.py:45:17:45:21 | taint | p1 = exception.info | --> | Taint exception.info | test.py:45 | test.py:45:12:45:22 | func() | p1 = exception.info |
|
||||
| Taint exception.info | test.py:45 | test.py:45:17:45:21 | taint | p1 = exception.info | --> | Taint exception.info | test.py:52 | test.py:52:19:52:21 | arg | p0 = exception.info |
|
||||
| Taint exception.info | test.py:48 | test.py:48:12:48:33 | TAINTED_EXCEPTION_INFO | | --> | Taint exception.info | test.py:49 | test.py:49:37:49:40 | info | |
|
||||
| Taint exception.info | test.py:49 | test.py:49:11:49:41 | cross_over() | | --> | Taint exception.info | test.py:50 | test.py:50:10:50:12 | res | |
|
||||
| Taint exception.info | test.py:49 | test.py:49:37:49:40 | info | | --> | Taint exception.info | test.py:44 | test.py:44:22:44:26 | taint | p1 = exception.info |
|
||||
| Taint exception.info | test.py:49 | test.py:49:37:49:40 | info | | --> | Taint exception.info | test.py:49 | test.py:49:11:49:41 | cross_over() | |
|
||||
| Taint exception.info | test.py:52 | test.py:52:19:52:21 | arg | p0 = exception.info | --> | Taint exception.info | test.py:53 | test.py:53:12:53:14 | arg | p0 = exception.info |
|
||||
| Taint externally controlled string | test.py:5 | test.py:5:22:5:35 | TAINTED_STRING | | --> | Taint externally controlled string | test.py:6 | test.py:6:31:6:44 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:6 | test.py:6:31:6:44 | tainted_string | | --> | Taint json[externally controlled string] | test.py:6 | test.py:6:20:6:45 | Attribute() | |
|
||||
| Taint externally controlled string | test.py:7 | test.py:7:9:7:25 | Subscript | | --> | Taint externally controlled string | test.py:8 | test.py:8:9:8:9 | a | |
|
||||
| Taint externally controlled string | test.py:7 | test.py:7:9:7:25 | Subscript | | --> | Taint externally controlled string | test.py:10 | test.py:10:10:10:10 | a | |
|
||||
| Taint externally controlled string | test.py:8 | test.py:8:9:8:18 | Attribute() | | --> | Taint externally controlled string | test.py:9 | test.py:9:9:9:9 | b | |
|
||||
| Taint externally controlled string | test.py:12 | test.py:12:22:12:28 | TAINTED | | --> | Taint externally controlled string | test.py:13 | test.py:13:9:13:22 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:12 | test.py:12:22:12:28 | TAINTED | | --> | Taint externally controlled string | test.py:14 | test.py:14:9:14:22 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:12 | test.py:12:22:12:28 | TAINTED | | --> | Taint externally controlled string | test.py:15 | test.py:15:9:15:22 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:12 | test.py:12:22:12:28 | TAINTED | | --> | Taint externally controlled string | test.py:16 | test.py:16:9:16:22 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:12 | test.py:12:22:12:28 | TAINTED | | --> | Taint externally controlled string | test.py:17 | test.py:17:18:17:31 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:12 | test.py:12:22:12:28 | TAINTED | | --> | Taint externally controlled string | test.py:18 | test.py:18:14:18:27 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:12 | test.py:12:22:12:28 | TAINTED | | --> | Taint externally controlled string | test.py:19 | test.py:19:9:19:22 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:13 | test.py:13:9:13:22 | tainted_string | | --> | Taint externally controlled string | test.py:13 | test.py:13:9:13:31 | Attribute() | |
|
||||
| Taint externally controlled string | test.py:14 | test.py:14:9:14:22 | tainted_string | | --> | Taint externally controlled string | test.py:14 | test.py:14:9:14:29 | Attribute() | |
|
||||
| Taint externally controlled string | test.py:15 | test.py:15:9:15:22 | tainted_string | | --> | Taint externally controlled string | test.py:15 | test.py:15:9:15:25 | Subscript | |
|
||||
| Taint externally controlled string | test.py:16 | test.py:16:9:16:22 | tainted_string | | --> | Taint externally controlled string | test.py:16 | test.py:16:9:16:27 | Subscript | |
|
||||
| Taint externally controlled string | test.py:17 | test.py:17:18:17:31 | tainted_string | | --> | Taint externally controlled string | test.py:17 | test.py:17:9:17:32 | reversed() | |
|
||||
| Taint externally controlled string | test.py:18 | test.py:18:14:18:27 | tainted_string | | --> | Taint externally controlled string | test.py:18 | test.py:18:9:18:28 | copy() | |
|
||||
| Taint externally controlled string | test.py:19 | test.py:19:9:19:22 | tainted_string | | --> | Taint externally controlled string | test.py:19 | test.py:19:9:19:30 | Attribute() | |
|
||||
| Taint externally controlled string | test.py:22 | test.py:22:22:22:28 | TAINTED | | --> | Taint externally controlled string | test.py:23 | test.py:23:8:23:21 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:22 | test.py:22:22:22:28 | TAINTED | | --> | Taint externally controlled string | test.py:26 | test.py:26:23:26:36 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:29 | test.py:29:22:29:28 | TAINTED | | --> | Taint externally controlled string | test.py:30 | test.py:30:8:30:21 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:29 | test.py:29:22:29:28 | TAINTED | | --> | Taint externally controlled string | test.py:30 | test.py:30:34:30:47 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:29 | test.py:29:22:29:28 | TAINTED | | --> | Taint externally controlled string | test.py:33 | test.py:33:23:33:36 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:36 | test.py:36:22:36:28 | TAINTED | | --> | Taint externally controlled string | test.py:37 | test.py:37:13:37:26 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:36 | test.py:36:22:36:28 | TAINTED | | --> | Taint externally controlled string | test.py:38 | test.py:38:15:38:28 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:36 | test.py:36:22:36:28 | TAINTED | | --> | Taint externally controlled string | test.py:39 | test.py:39:15:39:28 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:37 | test.py:37:13:37:26 | tainted_string | | --> | Taint externally controlled string | test.py:37 | test.py:37:9:37:27 | str() | |
|
||||
| Taint externally controlled string | test.py:38 | test.py:38:15:38:28 | tainted_string | | --> | Taint externally controlled string | test.py:38 | test.py:38:9:38:29 | bytes() | |
|
||||
| Taint externally controlled string | test.py:39 | test.py:39:15:39:28 | tainted_string | | --> | Taint externally controlled string | test.py:39 | test.py:39:9:39:46 | bytes() | |
|
||||
| Taint externally controlled string | test.py:8 | test.py:8:9:8:18 | Attribute() | | --> | Taint externally controlled string | test.py:10 | test.py:10:13:10:13 | b | |
|
||||
| Taint externally controlled string | test.py:9 | test.py:9:9:9:14 | Subscript | | --> | Taint externally controlled string | test.py:10 | test.py:10:16:10:16 | c | |
|
||||
| Taint externally controlled string | test.py:13 | test.py:13:22:13:35 | TAINTED_STRING | | --> | Taint externally controlled string | test.py:14 | test.py:14:9:14:22 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:13 | test.py:13:22:13:35 | TAINTED_STRING | | --> | Taint externally controlled string | test.py:15 | test.py:15:9:15:22 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:13 | test.py:13:22:13:35 | TAINTED_STRING | | --> | Taint externally controlled string | test.py:16 | test.py:16:9:16:22 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:13 | test.py:13:22:13:35 | TAINTED_STRING | | --> | Taint externally controlled string | test.py:17 | test.py:17:9:17:22 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:13 | test.py:13:22:13:35 | TAINTED_STRING | | --> | Taint externally controlled string | test.py:18 | test.py:18:18:18:31 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:13 | test.py:13:22:13:35 | TAINTED_STRING | | --> | Taint externally controlled string | test.py:19 | test.py:19:14:19:27 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:13 | test.py:13:22:13:35 | TAINTED_STRING | | --> | Taint externally controlled string | test.py:20 | test.py:20:9:20:22 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:14 | test.py:14:9:14:22 | tainted_string | | --> | Taint externally controlled string | test.py:14 | test.py:14:9:14:31 | Attribute() | |
|
||||
| Taint externally controlled string | test.py:14 | test.py:14:9:14:31 | Attribute() | | --> | Taint externally controlled string | test.py:21 | test.py:21:10:21:10 | a | |
|
||||
| Taint externally controlled string | test.py:15 | test.py:15:9:15:22 | tainted_string | | --> | Taint externally controlled string | test.py:15 | test.py:15:9:15:29 | Attribute() | |
|
||||
| Taint externally controlled string | test.py:15 | test.py:15:9:15:29 | Attribute() | | --> | Taint externally controlled string | test.py:21 | test.py:21:13:21:13 | b | |
|
||||
| Taint externally controlled string | test.py:16 | test.py:16:9:16:22 | tainted_string | | --> | Taint externally controlled string | test.py:16 | test.py:16:9:16:25 | Subscript | |
|
||||
| Taint externally controlled string | test.py:16 | test.py:16:9:16:25 | Subscript | | --> | Taint externally controlled string | test.py:21 | test.py:21:16:21:16 | c | |
|
||||
| Taint externally controlled string | test.py:17 | test.py:17:9:17:22 | tainted_string | | --> | Taint externally controlled string | test.py:17 | test.py:17:9:17:27 | Subscript | |
|
||||
| Taint externally controlled string | test.py:17 | test.py:17:9:17:27 | Subscript | | --> | Taint externally controlled string | test.py:21 | test.py:21:19:21:19 | d | |
|
||||
| Taint externally controlled string | test.py:18 | test.py:18:9:18:32 | reversed() | | --> | Taint externally controlled string | test.py:21 | test.py:21:22:21:22 | e | |
|
||||
| Taint externally controlled string | test.py:18 | test.py:18:18:18:31 | tainted_string | | --> | Taint externally controlled string | test.py:18 | test.py:18:9:18:32 | reversed() | |
|
||||
| Taint externally controlled string | test.py:19 | test.py:19:9:19:28 | copy() | | --> | Taint externally controlled string | test.py:21 | test.py:21:25:21:25 | f | |
|
||||
| Taint externally controlled string | test.py:19 | test.py:19:14:19:27 | tainted_string | | --> | Taint externally controlled string | test.py:19 | test.py:19:9:19:28 | copy() | |
|
||||
| Taint externally controlled string | test.py:20 | test.py:20:9:20:22 | tainted_string | | --> | Taint externally controlled string | test.py:20 | test.py:20:9:20:30 | Attribute() | |
|
||||
| Taint externally controlled string | test.py:20 | test.py:20:9:20:30 | Attribute() | | --> | Taint externally controlled string | test.py:21 | test.py:21:28:21:28 | g | |
|
||||
| Taint externally controlled string | test.py:24 | test.py:24:22:24:35 | TAINTED_STRING | | --> | Taint externally controlled string | test.py:25 | test.py:25:8:25:21 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:24 | test.py:24:22:24:35 | TAINTED_STRING | | --> | Taint externally controlled string | test.py:28 | test.py:28:14:28:27 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:31 | test.py:31:22:31:35 | TAINTED_STRING | | --> | Taint externally controlled string | test.py:32 | test.py:32:8:32:21 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:31 | test.py:31:22:31:35 | TAINTED_STRING | | --> | Taint externally controlled string | test.py:32 | test.py:32:34:32:47 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:31 | test.py:31:22:31:35 | TAINTED_STRING | | --> | Taint externally controlled string | test.py:35 | test.py:35:14:35:27 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:38 | test.py:38:22:38:35 | TAINTED_STRING | | --> | Taint externally controlled string | test.py:39 | test.py:39:13:39:26 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:38 | test.py:38:22:38:35 | TAINTED_STRING | | --> | Taint externally controlled string | test.py:40 | test.py:40:15:40:28 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:38 | test.py:38:22:38:35 | TAINTED_STRING | | --> | Taint externally controlled string | test.py:41 | test.py:41:15:41:28 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:39 | test.py:39:9:39:27 | str() | | --> | Taint externally controlled string | test.py:42 | test.py:42:10:42:10 | a | |
|
||||
| Taint externally controlled string | test.py:39 | test.py:39:13:39:26 | tainted_string | | --> | Taint externally controlled string | test.py:39 | test.py:39:9:39:27 | str() | |
|
||||
| Taint externally controlled string | test.py:40 | test.py:40:9:40:29 | bytes() | | --> | Taint externally controlled string | test.py:42 | test.py:42:13:42:13 | b | |
|
||||
| Taint externally controlled string | test.py:40 | test.py:40:15:40:28 | tainted_string | | --> | Taint externally controlled string | test.py:40 | test.py:40:9:40:29 | bytes() | |
|
||||
| Taint externally controlled string | test.py:41 | test.py:41:9:41:46 | bytes() | | --> | Taint externally controlled string | test.py:42 | test.py:42:16:42:16 | c | |
|
||||
| Taint externally controlled string | test.py:41 | test.py:41:15:41:28 | tainted_string | | --> | Taint externally controlled string | test.py:41 | test.py:41:9:41:46 | bytes() | |
|
||||
| Taint externally controlled string | test.py:44 | test.py:44:22:44:26 | taint | p1 = externally controlled string | --> | Taint externally controlled string | test.py:45 | test.py:45:17:45:21 | taint | p1 = externally controlled string |
|
||||
| Taint externally controlled string | test.py:45 | test.py:45:17:45:21 | taint | p1 = externally controlled string | --> | Taint externally controlled string | test.py:45 | test.py:45:12:45:22 | func() | p1 = externally controlled string |
|
||||
| Taint externally controlled string | test.py:45 | test.py:45:17:45:21 | taint | p1 = externally controlled string | --> | Taint externally controlled string | test.py:52 | test.py:52:19:52:21 | arg | p0 = externally controlled string |
|
||||
| Taint externally controlled string | test.py:52 | test.py:52:19:52:21 | arg | p0 = externally controlled string | --> | Taint externally controlled string | test.py:53 | test.py:53:12:53:14 | arg | p0 = externally controlled string |
|
||||
| Taint externally controlled string | test.py:56 | test.py:56:11:56:24 | TAINTED_STRING | | --> | Taint externally controlled string | test.py:57 | test.py:57:38:57:40 | ext | |
|
||||
| Taint externally controlled string | test.py:57 | test.py:57:11:57:41 | cross_over() | | --> | Taint externally controlled string | test.py:58 | test.py:58:10:58:12 | res | |
|
||||
| Taint externally controlled string | test.py:57 | test.py:57:38:57:40 | ext | | --> | Taint externally controlled string | test.py:44 | test.py:44:22:44:26 | taint | p1 = externally controlled string |
|
||||
| Taint externally controlled string | test.py:57 | test.py:57:38:57:40 | ext | | --> | Taint externally controlled string | test.py:57 | test.py:57:11:57:41 | cross_over() | |
|
||||
| Taint externally controlled string | test.py:66 | test.py:66:22:66:35 | TAINTED_STRING | | --> | Taint externally controlled string | test.py:67 | test.py:67:29:67:42 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:66 | test.py:66:22:66:35 | TAINTED_STRING | | --> | Taint externally controlled string | test.py:68 | test.py:68:29:68:42 | tainted_string | |
|
||||
| Taint externally controlled string | test.py:67 | test.py:67:29:67:42 | tainted_string | | --> | Taint [externally controlled string] | test.py:67 | test.py:67:20:67:43 | urlsplit() | |
|
||||
| Taint externally controlled string | test.py:68 | test.py:68:29:68:42 | tainted_string | | --> | Taint [externally controlled string] | test.py:68 | test.py:68:20:68:43 | urlparse() | |
|
||||
| Taint json[externally controlled string] | test.py:6 | test.py:6:20:6:45 | Attribute() | | --> | Taint json[externally controlled string] | test.py:7 | test.py:7:9:7:20 | tainted_json | |
|
||||
| Taint json[externally controlled string] | test.py:7 | test.py:7:9:7:20 | tainted_json | | --> | Taint externally controlled string | test.py:7 | test.py:7:9:7:25 | Subscript | |
|
||||
| Taint json[externally controlled string] | test.py:7 | test.py:7:9:7:20 | tainted_json | | --> | Taint json[externally controlled string] | test.py:7 | test.py:7:9:7:25 | Subscript | |
|
||||
| Taint json[externally controlled string] | test.py:7 | test.py:7:9:7:25 | Subscript | | --> | Taint json[externally controlled string] | test.py:8 | test.py:8:9:8:9 | a | |
|
||||
| Taint json[externally controlled string] | test.py:7 | test.py:7:9:7:25 | Subscript | | --> | Taint json[externally controlled string] | test.py:10 | test.py:10:10:10:10 | a | |
|
||||
| Taint json[externally controlled string] | test.py:8 | test.py:8:9:8:9 | a | | --> | Taint externally controlled string | test.py:8 | test.py:8:9:8:18 | Attribute() | |
|
||||
| Taint json[externally controlled string] | test.py:8 | test.py:8:9:8:9 | a | | --> | Taint json[externally controlled string] | test.py:8 | test.py:8:9:8:18 | Attribute() | |
|
||||
| Taint json[externally controlled string] | test.py:8 | test.py:8:9:8:18 | Attribute() | | --> | Taint json[externally controlled string] | test.py:9 | test.py:9:9:9:9 | b | |
|
||||
| Taint json[externally controlled string] | test.py:8 | test.py:8:9:8:18 | Attribute() | | --> | Taint json[externally controlled string] | test.py:10 | test.py:10:13:10:13 | b | |
|
||||
| Taint json[externally controlled string] | test.py:9 | test.py:9:9:9:9 | b | | --> | Taint externally controlled string | test.py:9 | test.py:9:9:9:14 | Subscript | |
|
||||
| Taint json[externally controlled string] | test.py:9 | test.py:9:9:9:9 | b | | --> | Taint json[externally controlled string] | test.py:9 | test.py:9:9:9:14 | Subscript | |
|
||||
| Taint json[externally controlled string] | test.py:9 | test.py:9:9:9:14 | Subscript | | --> | Taint json[externally controlled string] | test.py:10 | test.py:10:16:10:16 | c | |
|
||||
|
||||
@@ -0,0 +1,24 @@
|
||||
| test.py:10 | test_json | a | externally controlled string |
|
||||
| test.py:10 | test_json | a | json[externally controlled string] |
|
||||
| test.py:10 | test_json | b | externally controlled string |
|
||||
| test.py:10 | test_json | b | json[externally controlled string] |
|
||||
| test.py:10 | test_json | c | externally controlled string |
|
||||
| test.py:10 | test_json | c | json[externally controlled string] |
|
||||
| test.py:21 | test_str | a | externally controlled string |
|
||||
| test.py:21 | test_str | b | externally controlled string |
|
||||
| test.py:21 | test_str | c | externally controlled string |
|
||||
| test.py:21 | test_str | d | externally controlled string |
|
||||
| test.py:21 | test_str | e | externally controlled string |
|
||||
| test.py:21 | test_str | f | externally controlled string |
|
||||
| test.py:21 | test_str | g | externally controlled string |
|
||||
| test.py:26 | test_const_sanitizer1 | tainted_string | NO TAINT |
|
||||
| test.py:28 | test_const_sanitizer1 | tainted_string | externally controlled string |
|
||||
| test.py:33 | test_const_sanitizer2 | tainted_string | NO TAINT |
|
||||
| test.py:35 | test_const_sanitizer2 | tainted_string | externally controlled string |
|
||||
| test.py:42 | test_str2 | a | externally controlled string |
|
||||
| test.py:42 | test_str2 | b | externally controlled string |
|
||||
| test.py:42 | test_str2 | c | externally controlled string |
|
||||
| test.py:50 | test_exc_info | res | exception.info |
|
||||
| test.py:58 | test_untrusted | res | externally controlled string |
|
||||
| test.py:69 | test_urlsplit_urlparse | urlparse_res | [externally controlled string] |
|
||||
| test.py:69 | test_urlsplit_urlparse | urlsplit_res | [externally controlled string] |
|
||||
18
python/ql/test/library-tests/taint/strings/TestTaint.ql
Normal file
18
python/ql/test/library-tests/taint/strings/TestTaint.ql
Normal file
@@ -0,0 +1,18 @@
|
||||
import python
|
||||
import semmle.python.security.TaintTracking
|
||||
import Taint
|
||||
|
||||
from Call call, Expr arg, string taint_string
|
||||
where
|
||||
call.getLocation().getFile().getShortName() = "test.py" and
|
||||
call.getFunc().(Name).getId() = "test" and
|
||||
arg = call.getAnArg() and
|
||||
(
|
||||
not exists(TaintedNode tainted | tainted.getAstNode() = arg) and
|
||||
taint_string = "NO TAINT"
|
||||
or
|
||||
exists(TaintedNode tainted | tainted.getAstNode() = arg |
|
||||
taint_string = tainted.getTaintKind().toString()
|
||||
)
|
||||
)
|
||||
select arg.getLocation().toString(), call.getScope().(Function).getName(), arg.toString(), taint_string
|
||||
@@ -2,41 +2,44 @@ import json
|
||||
from copy import copy
|
||||
|
||||
def test_json():
|
||||
tainted_string = TAINTED
|
||||
tainted_string = TAINTED_STRING
|
||||
tainted_json = json.loads(tainted_string)
|
||||
a = tainted_json["x"]
|
||||
b = a.get("y")
|
||||
c = b["z"]
|
||||
test(a, b, c)
|
||||
|
||||
def test_str():
|
||||
tainted_string = TAINTED
|
||||
tainted_string = TAINTED_STRING
|
||||
a = tainted_string.ljust(8)
|
||||
b = tainted_string.copy()
|
||||
c = tainted_string[:]
|
||||
d = tainted_string[::2]
|
||||
e = reversed(tainted_string)
|
||||
f = copy(tainted_string)
|
||||
h = tainted_string.strip()
|
||||
g = tainted_string.strip()
|
||||
test(a, b, c, d, e, f, g)
|
||||
|
||||
def test_const_sanitizer1():
|
||||
tainted_string = TAINTED
|
||||
tainted_string = TAINTED_STRING
|
||||
if tainted_string == "OK":
|
||||
not_tainted(tainted_string)
|
||||
test(tainted_string) # not tainted
|
||||
else:
|
||||
still_tainted(tainted_string)
|
||||
test(tainted_string) # still tainted
|
||||
|
||||
def test_const_sanitizer2():
|
||||
tainted_string = TAINTED
|
||||
tainted_string = TAINTED_STRING
|
||||
if tainted_string == "OK" or tainted_string == "ALSO_OK":
|
||||
not_tainted(tainted_string)
|
||||
test(tainted_string) # not tainted
|
||||
else:
|
||||
still_tainted(tainted_string)
|
||||
test(tainted_string) # still tainted
|
||||
|
||||
def test_str2():
|
||||
tainted_string = TAINTED
|
||||
tainted_string = TAINTED_STRING
|
||||
a = str(tainted_string)
|
||||
b = bytes(tainted_string) # This is an error in Python 3
|
||||
c = bytes(tainted_string, encoding="utf8") # This is an error in Python 2
|
||||
test(a, b, c)
|
||||
|
||||
def cross_over(func, taint):
|
||||
return func(taint)
|
||||
@@ -44,13 +47,23 @@ def cross_over(func, taint):
|
||||
def test_exc_info():
|
||||
info = TAINTED_EXCEPTION_INFO
|
||||
res = cross_over(exc_info_call, info)
|
||||
test(res)
|
||||
|
||||
def exc_info_call(arg):
|
||||
return arg
|
||||
|
||||
def test_untrusted():
|
||||
ext = TAINTED_EXTERNAL_STRING
|
||||
ext = TAINTED_STRING
|
||||
res = cross_over(untrusted_call, ext)
|
||||
test(res)
|
||||
|
||||
def exc_untrusted_call(arg):
|
||||
return arg
|
||||
|
||||
from six.moves.urllib.parse import urlsplit, urlparse
|
||||
|
||||
def test_urlsplit_urlparse():
|
||||
tainted_string = TAINTED_STRING
|
||||
urlsplit_res = urlsplit(tainted_string)
|
||||
urlparse_res = urlparse(tainted_string)
|
||||
test(urlsplit_res, urlparse_res)
|
||||
|
||||
Reference in New Issue
Block a user