Use of a Broken or Risky Cryptographic Algorithm Affecting libgcrypt20 package, versions *

  • Attack Complexity


  • Confidentiality


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  • snyk-id


  • published

    7 Feb 2018

  • disclosed

    7 Feb 2018

How to fix?

There is no fixed version for Debian:10 libgcrypt20.

NVD Description

Note: Versions mentioned in the description apply to the upstream libgcrypt20 package.

cipher/elgamal.c in Libgcrypt through 1.8.2, when used to encrypt messages directly, improperly encodes plaintexts, 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 Libgcrypt's ElGamal implementation.