Java: Fix Local Temp File/Dir Incorrect Guard Logic #8681
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JLLeitschuh
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aschackmull
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java/ql/src/Security/CWE/CWE-200/TempDirLocalInformationDisclosure.ql
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| @@ -58,7 +58,6 @@ private predicate isTaintPropagatingFileTransformation(Expr expSource, Expr expr | |||
| * For example, `taintedFile.getCanonicalFile()` is itself tainted. | |||
| */ | |||
| predicate isAdditionalFileTaintStep(DataFlow::Node node1, DataFlow::Node node2) { | |||
| isFileConstructorArgument(node1.asExpr(), node2.asExpr(), _) or | |||
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With this, I was having two paths get generated. When rendered, one of the paths wasn't showing the taint step where new File([tainted], [other]) was being called, but the other was. I'm not sure if it's because isAdditionalFileTaintStep is written wrong, or not. But regardless, this line handles the case I was trying to cover anyways:
|
Note that |
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Resolves: #8032 (comment)
Thanks @aschackmull for your feedback and review!