Amazon Linux 1 Security Advisory: ALAS-2022-1578
Advisory Release Date: 2022-04-04 23:47 Pacific
Advisory Updated Date: 2022-04-06 21:32 Pacific
A side-channel attack flaw was found in the way libgcrypt implemented Elgamal encryption. This flaw allows an attacker to decrypt parts of ciphertext encrypted using Elgamal, for example, when using OpenPGP. The highest threat from this vulnerability is to confidentiality. (CVE-2021-33560)
Affected Packages:
libgcrypt
Issue Correction:
Run yum update libgcrypt to update your system.
i686:
libgcrypt-debuginfo-1.5.3-12.20.amzn1.i686
libgcrypt-devel-1.5.3-12.20.amzn1.i686
libgcrypt-1.5.3-12.20.amzn1.i686
src:
libgcrypt-1.5.3-12.20.amzn1.src
x86_64:
libgcrypt-debuginfo-1.5.3-12.20.amzn1.x86_64
libgcrypt-devel-1.5.3-12.20.amzn1.x86_64
libgcrypt-1.5.3-12.20.amzn1.x86_64