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05573904a5
We could have switched to a stateful config, but I tried to keep changes as straight forward as possible.
82 lines
3.1 KiB
Plaintext
82 lines
3.1 KiB
Plaintext
/**
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* Provides taint-tracking configurations for detecting LDAP injection vulnerabilities
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*
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* Note, for performance reasons: only import this file if
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* `LdapInjection::Configuration` is needed, otherwise
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* `LdapInjectionCustomizations` should be imported instead.
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*/
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import python
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import semmle.python.Concepts
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import semmle.python.dataflow.new.DataFlow
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import semmle.python.dataflow.new.TaintTracking
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import semmle.python.dataflow.new.RemoteFlowSources
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import LdapInjectionCustomizations::LdapInjection
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/**
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* DEPRECATED: Use `LdapInjectionDnFlow` module instead.
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*
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* A taint-tracking configuration for detecting LDAP injection vulnerabilities
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* via the distinguished name (DN) parameter of an LDAP search.
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*/
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deprecated class DnConfiguration extends TaintTracking::Configuration {
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DnConfiguration() { this = "LdapDnInjection" }
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override predicate isSource(DataFlow::Node source) { source instanceof Source }
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override predicate isSink(DataFlow::Node sink) { sink instanceof DnSink }
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override predicate isSanitizer(DataFlow::Node node) { node instanceof DnSanitizer }
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deprecated override predicate isSanitizerGuard(DataFlow::BarrierGuard guard) {
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guard instanceof DnSanitizerGuard
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}
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}
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private module LdapInjectionDnConfig implements DataFlow::ConfigSig {
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predicate isSource(DataFlow::Node source) { source instanceof Source }
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predicate isSink(DataFlow::Node sink) { sink instanceof DnSink }
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predicate isBarrier(DataFlow::Node node) { node instanceof DnSanitizer }
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}
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/** Global taint-tracking for detecting "LDAP injection via the distinguished name (DN) parameter" vulnerabilities. */
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module LdapInjectionDnFlow = TaintTracking::Global<LdapInjectionDnConfig>;
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/**
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* DEPRECATED: Use `LdapInjectionFilterFlow` module instead.
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*
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* A taint-tracking configuration for detecting LDAP injection vulnerabilities
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* via the filter parameter of an LDAP search.
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*/
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deprecated class FilterConfiguration extends TaintTracking::Configuration {
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FilterConfiguration() { this = "LdapFilterInjection" }
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override predicate isSource(DataFlow::Node source) { source instanceof Source }
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override predicate isSink(DataFlow::Node sink) { sink instanceof FilterSink }
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override predicate isSanitizer(DataFlow::Node node) { node instanceof FilterSanitizer }
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deprecated override predicate isSanitizerGuard(DataFlow::BarrierGuard guard) {
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guard instanceof FilterSanitizerGuard
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}
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}
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private module LdapInjectionFilterConfig implements DataFlow::ConfigSig {
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predicate isSource(DataFlow::Node source) { source instanceof Source }
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predicate isSink(DataFlow::Node sink) { sink instanceof FilterSink }
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predicate isBarrier(DataFlow::Node node) { node instanceof FilterSanitizer }
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}
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/** Global taint-tracking for detecting "LDAP injection via the filter parameter" vulnerabilities. */
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module LdapInjectionFilterFlow = TaintTracking::Global<LdapInjectionFilterConfig>;
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/** Global taint-tracking for detecting "LDAP injection" vulnerabilities. */
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module LdapInjectionFlow =
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DataFlow::MergePathGraph<LdapInjectionDnFlow::PathNode, LdapInjectionFilterFlow::PathNode,
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LdapInjectionDnFlow::PathGraph, LdapInjectionFilterFlow::PathGraph>;
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