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Merge pull request #13754 from aschackmull/java/remotesource-inbarrier

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Java: Exclude source-to-source flow in 5 queries.
This commit is contained in:
Anders Schack-Mulligen
2023-07-18 10:33:44 +02:00
committed by GitHub
parent b5a8a8d431 6770d2a49b
commit e72366194b
5 changed files with 12 additions and 0 deletions
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4
java/ql/lib/semmle/code/java/security/ArithmeticTaintedQuery.qll
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@@ -11,6 +11,8 @@ module RemoteUserInputOverflowConfig implements DataFlow::ConfigSig {
predicate isSink(DataFlow::Node sink) { overflowSink(_, sink.asExpr()) }
predicate isBarrier(DataFlow::Node n) { overflowBarrier(n) }
predicate isBarrierIn(DataFlow::Node node) { isSource(node) }
}
/** A taint-tracking configuration to reason about underflow from unvalidated user input. */
@@ -20,6 +22,8 @@ module RemoteUserInputUnderflowConfig implements DataFlow::ConfigSig {
predicate isSink(DataFlow::Node sink) { underflowSink(_, sink.asExpr()) }
predicate isBarrier(DataFlow::Node n) { underflowBarrier(n) }
predicate isBarrierIn(DataFlow::Node node) { isSource(node) }
}
/** Taint-tracking flow for overflow from unvalidated user input. */

2
java/ql/lib/semmle/code/java/security/ImproperValidationOfArrayIndexQuery.qll
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@@ -15,6 +15,8 @@ module ImproperValidationOfArrayIndexConfig implements DataFlow::ConfigSig {
}
predicate isBarrier(DataFlow::Node node) { node.getType() instanceof BooleanType }
predicate isBarrierIn(DataFlow::Node node) { isSource(node) }
}
/**

2
java/ql/lib/semmle/code/java/security/LogInjectionQuery.qll
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@@ -36,6 +36,8 @@ module LogInjectionConfig implements DataFlow::ConfigSig {
predicate isAdditionalFlowStep(DataFlow::Node node1, DataFlow::Node node2) {
any(LogInjectionAdditionalTaintStep c).step(node1, node2)
}
predicate isBarrierIn(DataFlow::Node node) { isSource(node) }
}
/**

2
java/ql/lib/semmle/code/java/security/NumericCastTaintedQuery.qll
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@@ -100,6 +100,8 @@ module NumericCastFlowConfig implements DataFlow::ConfigSig {
node.getEnclosingCallable() instanceof HashCodeMethod or
exists(RightShiftOp e | e.getShiftedVariable().getAnAccess() = node.asExpr())
}
predicate isBarrierIn(DataFlow::Node node) { isSource(node) }
}
/**

2
java/ql/lib/semmle/code/java/security/RequestForgeryConfig.qll
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@@ -51,6 +51,8 @@ module RequestForgeryConfig implements DataFlow::ConfigSig {
}
predicate isBarrier(DataFlow::Node node) { node instanceof RequestForgerySanitizer }
predicate isBarrierIn(DataFlow::Node node) { isSource(node) }
}
module RequestForgeryFlow = TaintTracking::Global<RequestForgeryConfig>;