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Advisories

openssl_encrypt before 1.4.0 Sandbox Escape via Dunder Attribute Traversal

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severity
critical
date
Affecting

  • openssl_encrypt >= 0, < 1.4.0

CWE
  • CWE-693 Protection Mechanism Failure
CVSS
9.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Description
openssl_encrypt versions before 1.4.0 contain a sandbox escape vulnerability in the DangerousPatternVisitor AST analyzer that fails to detect dunder attribute traversal techniques. Attackers can use __class__, __bases__, __subclasses__(), and __globals__ chains to access restricted functions and execute arbitrary system commands from plugin code.

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