Description
openssl_encrypt versions before 1.4.9 store an unkeyed SHA-256 hash of the plaintext in the cleartext file header metadata. Attackers can read this hash without the password to confirm guessed plaintexts offline or fingerprint identical plaintexts across separately-encrypted files.
CVSS 7.5EPSS 0.198%Risque 0.76
Voir la source- Publication
- 2026-08-27 17:20:58
- Versions concernées
- <1.4.9
- Type
- Bibliothèque
- Dernière modification
- 2026-08-27 20:18:52
- Vecteur
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N