cve/2018/CVE-2018-6594.md

CVE-2018-6594

Description

lib/Crypto/PublicKey/ElGamal.py in PyCrypto through 2.6.1 generates weak ElGamal key parameters, which allows attackers to obtain sensitive information by reading ciphertext data (i.e., it does not have semantic security in face of a ciphertext-only attack). The Decisional Diffie-Hellman (DDH) assumption does not hold for PyCrypto's ElGamal implementation.

POC

Reference

• https://github.com/dlitz/pycrypto/issues/253
• https://github.com/dlitz/pycrypto/issues/253

Github

• https://github.com/ARPSyndicate/cvemon
• https://github.com/fincham/ssh-to-pgp
• https://github.com/jakhax/pass_cli
• https://github.com/royhershkovitz/versions_vulnerability_test