CVE-2022-35411 : RPC.PY UP TO 0.6.0 HTTP HEADER SERIALIZER DESERIALIZATION

Description

rpc.py through 0.6.0 allows Remote Code Execution because an unpickle occurs when the “serializer: pickle” HTTP header is sent. In other words, although JSON (not Pickle) is the default data format, an unauthenticated client can cause the data to be processed with unpickle.

References

https://github.com/abersheeran/rpc.py/commit/491e7a841ed9a754796d6ab047a9fb16e23bf8bd

https://github.com/ehtec/rpcpy-exploit

https://medium.com/@elias.hohl/remote-code-execution-0-day-in-rpc-py-709c76690c30

For More Information

MITRE

Common Vulnerabilityies and Exposures

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