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Rocky Linux: CVE-2021-33560: Moderate: libgcrypt security and bug fix update (RLSA-2021-4409)

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Rocky Linux: CVE-2021-33560: Moderate: libgcrypt security and bug fix update (RLSA-2021-4409)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
06/08/2021
Created
05/06/2022
Added
05/05/2022
Modified
05/05/2022

Description

Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpi_powm, and the window size is not chosen appropriately. This, for example, affects use of ElGamal in OpenPGP.

Solution(s)

  • rocky-upgrade-libgcrypt
  • rocky-upgrade-libgcrypt-debuginfo
  • rocky-upgrade-libgcrypt-debugsource
  • rocky-upgrade-libgcrypt-devel
  • rocky-upgrade-libgcrypt-devel-debuginfo

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