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Advisories

picklescan - Arbitrary Code Execution via Undetected cProfile.run in Pickle Deserialization

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severity
high
date
Affecting

  • picklescan >= 0, < 0.0.30

CWE
  • CWE-502 Deserialization of Untrusted Data
CVSS
7.6
CVSS V4 Vector
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
Credit
FredericDT
Description
picklescan before 0.0.30 fails to detect cProfile.run function calls in pickle reduce methods, allowing attackers to execute arbitrary code. Remote attackers can craft malicious pickle files with cProfile.run payloads that bypass picklescan detection and achieve code execution upon deserialization.

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