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Advisories

picklescan - Remote Code Execution via operator.methodcaller Detection Bypass

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severity
high
date
Affecting

  • picklescan >= 0, < 0.0.33

CWE
  • CWE-693 Protection Mechanism Failure
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
CoolwindHF
Description
picklescan before 0.0.33 fails to detect operator.methodcaller function calls in pickle files, allowing attackers to bypass security checks. Remote attackers can craft malicious pickle payloads using operator.methodcaller that execute arbitrary code when loaded, compromising systems relying on picklescan for validation.

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