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Add ExternallyControlledFormatStringLocalQuery.qll

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This commit is contained in:
Ed Minnix
2023-04-03 17:05:06 -04:00
parent 5834e4ac52
commit 0249187282
3 changed files with 23 additions and 15 deletions
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3
java/ql/lib/change-notes/2023-03-30-add-libraries-for-query-configurations.md
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@@ -4,4 +4,5 @@ category: minorAnalysis
* Added the `TaintedPermissionQuery.qll` library to provide the `TaintedPermissionFlow` taint-tracking module to reason about tainted permission vulnerabilities.
* Added the `XPathInjectionQuery.qll` library to provide the `XPathInjectionFlow` taint-tracking module to reason about XPath injection vulnerabilities.
* Added the `SqlConcatenatedQuery.qll` library to provide the `UncontrolledStringBuilderSourceFlow` taint-tracking module to reason about SQL injection vulnerabilities caused by concatenating untrusted strings.
* Added the `XssLocalQuery.qll` library to provide the `XssLocalFlow` taint-tracking module to reason about XSS vulnerabilities caused by local data flow.
* Added the `XssLocalQuery.qll` library to provide the `XssLocalFlow` taint-tracking module to reason about XSS vulnerabilities caused by local data flow.
* Added the `ExternallyControlledFormatStringLocalQuery.qll` library to provide the `ExternallyControlledFormatStringLocalFlow` taint-tracking module to reason about format string vulnerabilities caused by local data flow.

20
java/ql/lib/semmle/code/java/security/ExternallyControlledFormatStringLocalQuery.qll Normal file
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@@ -0,0 +1,20 @@
/** Provides a taint-tracking configuration to reason about externally-controlled format strings from local sources. */
import java
import semmle.code.java.dataflow.FlowSources
import semmle.code.java.StringFormat
/** A taint-tracking configuration to reason about externally-controlled format strings from local sources. */
module ExternallyControlledFormatStringLocalConfig implements DataFlow::ConfigSig {
predicate isSource(DataFlow::Node source) { source instanceof LocalUserInput }
predicate isSink(DataFlow::Node sink) {
sink.asExpr() = any(StringFormat formatCall).getFormatArgument()
}
}
/**
* Taint-tracking flow for externally-controlled format strings from local sources.
*/
module ExternallyControlledFormatStringLocalFlow =
TaintTracking::Global<ExternallyControlledFormatStringLocalConfig>;

15
java/ql/src/Security/CWE/CWE-134/ExternallyControlledFormatStringLocal.ql
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@@ -11,20 +11,7 @@
*/
import java
import semmle.code.java.dataflow.FlowSources
import semmle.code.java.StringFormat
module ExternallyControlledFormatStringLocalConfig implements DataFlow::ConfigSig {
predicate isSource(DataFlow::Node source) { source instanceof LocalUserInput }
predicate isSink(DataFlow::Node sink) {
sink.asExpr() = any(StringFormat formatCall).getFormatArgument()
}
}
module ExternallyControlledFormatStringLocalFlow =
TaintTracking::Global<ExternallyControlledFormatStringLocalConfig>;
import semmle.code.java.security.ExternallyControlledFormatStringLocalQuery
import ExternallyControlledFormatStringLocalFlow::PathGraph
from