GHSA-pr7j-w8v9-qr7rHighCVSS 7.5
openssl_encrypt versions before 1.4.9 store an unkeyed SHA-256 hash of the plaintext in the...
🔗 CVE IDs covered (1)
📋 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.