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codeql/python/change-notes/2021-05-10-ujson-add-modeling.md
Rasmus Wriedt Larsen c2a6b811fc Python: Add modeling of ujson PyPI package 
The problem with `tainted_filelike` not having taint, is that in the call

`ujson.dump(tainted_obj, tainted_filelike)`

there is no PostUpdateNote for `tainted_filelike` :( The reason is that
points-to is not able to resolve the call, so none of the clauses in
`argumentPreUpdateNode` matches

See 08731fc6cf/python/ql/src/semmle/python/dataflow/new/internal/DataFlowPrivate.qll (L101-L111)

Let's deal with that issue in an other PR though
2021-05-10 15:10:31 +02:00

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lgtm,codescanning

  • Added modeling of the PyPI package ujson.