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Merge pull request #14744 from jketema/fgets

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C++: Fix `hasRemoteFlowSource` for `fgets`
This commit is contained in:
Jeroen Ketema
2023-11-10 14:03:40 +01:00
committed by GitHub
parent 340b20f93d ba51b65d84
commit c71bdce2d0
3 changed files with 20 additions and 4 deletions
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9
cpp/ql/lib/semmle/code/cpp/models/implementations/Gets.qll
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@@ -49,10 +49,11 @@ private class FgetsFunction extends DataFlowFunction, TaintFunction, ArrayFuncti
}
override predicate hasRemoteFlowSource(FunctionOutput output, string description) {
output.isParameterDeref(0) and
description = "string read by " + this.getName()
or
output.isReturnValue() and
(
output.isParameterDeref(0) or
output.isReturnValue() or
output.isReturnValueDeref()
) and
description = "string read by " + this.getName()
}