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JS: Port PrototypePollutingAssignment

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Asger F
2023-10-04 21:36:31 +02:00
parent 81d2721248
commit f1f45927b1
6 changed files with 286 additions and 307 deletions
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9
javascript/ql/src/Security/CWE-915/PrototypePollutingAssignment.ql
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@@ -19,10 +19,13 @@
import javascript
import semmle.javascript.security.dataflow.PrototypePollutingAssignmentQuery
import DataFlow::PathGraph
import PrototypePollutingAssignmentFlow::PathGraph
from Configuration cfg, DataFlow::PathNode source, DataFlow::PathNode sink
where cfg.hasFlowPath(source, sink)
from
PrototypePollutingAssignmentFlow::PathNode source, PrototypePollutingAssignmentFlow::PathNode sink
where
PrototypePollutingAssignmentFlow::flowPath(source, sink) and
not isIgnoredLibraryFlow(source.getNode(), sink.getNode())
select sink, source, sink,
"This assignment may alter Object.prototype if a malicious '__proto__' string is injected from $@.",
source.getNode(), source.getNode().(Source).describe()