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Rust: Allow implicit reads from reference content in taint reach. #19306

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Rust: Allow implicit reads from reference content in taint reach. #19306

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6 changes: 6 additions & 0 deletions rust/ql/src/queries/summary/TaintReach.qll
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,12 @@ private module TaintReachConfig implements DataFlow::ConfigSig {
predicate isSource(DataFlow::Node node) { node instanceof ActiveThreatModelSource }

predicate isSink(DataFlow::Node node) { any() }

predicate allowImplicitRead(DataFlow::Node node, DataFlow::ContentSet c) {
// flow out from reference content at the sink.
isSink(node) and
c.getAReadContent() instanceof DataFlow::ReferenceContent
}
}

private module TaintReachFlow = TaintTracking::Global<TaintReachConfig>;
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