CVE-2025-71343
7.6
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Summary
picklescan before 0.0.30 fails to detect malicious pickle files that exploit lib2to3.pgen2.pgen.ParserGenerator.make_label function in the reduce method. Attackers can craft malicious pickle files with embedded code that evades detection but executes arbitrary commands when pickle.load() is called.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| picklescan | picklescan | 0 < 0.0.30 | affected |
| picklescan | picklescan | 0.0.30 | unaffected |
Weaknesses
- CWE-502: Deserialization of Untrusted Data
References
- https://github.com/mmaitre314/picklescan/security/advisories/GHSA-p9w7-82w4-7q8m
- https://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-lib2to3-pgen2-pgen-parsergenerator-make-label-detection-bypass
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