JS: recognize more module exports from the factory pattern #8221
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kaeluka
reviewed
Apr 22, 2022
| @@ -120,14 +120,21 @@ private DataFlow::Node getAValueExportedByPackage() { | |||
| exists(ImmediatelyInvokedFunctionExpr func, DataFlow::ParameterNode prev, int i | | |||
| prev.getName() = "factory" and | |||
| func.getParameter(i) = prev.getParameter() and | |||
| result = func.getInvocation().getArgument(i).flow().getAFunctionValue().getAReturn() and | |||
| DataFlow::globalVarRef("define").getACall().getArgument(1) = prev.getALocalUse() and | |||
| DataFlow::globalVarRef("define").getACall().getArgument(any(int a | a >= 1)) = | |||
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can int a ever be larger than 2? and couldn't it also be 0? like in 1.3.2 here: https://requirejs.org/docs/api.html#define Perhaps, this should simply be getAnArgument
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You seem to be right, it can be any argument.
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Gets a TP for CVE-2021-23574
Evaluation was uneventful.