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Advisories

openssl_encrypt before 1.4.9 Authentication Bypass via Unencrypted PQC Key

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severity
medium
date
Affecting

  • openssl_encrypt >= 0, < 1.4.9

CWE
  • CWE-287 Improper Authentication
CVSS
8.7
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Description
openssl_encrypt versions before 1.4.9 fail to validate encryption status of embedded post-quantum private keys in file metadata. Attackers can craft files with unencrypted embedded PQC keys that decrypt under any password, bypassing authentication and producing attacker-chosen plaintext with false integrity verification.

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