Security update for libgcrypt

Announcement ID: SUSE-SU-2021:14751-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2021-33560 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • CVE-2021-33560 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Products:
  • SUSE Linux Enterprise Point of Service 11 SP3
  • SUSE Linux Enterprise Server 11 SP4
  • SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4

An update that solves one vulnerability can now be installed.

Description:

This update for libgcrypt fixes the following issues:

  • CVE-2021-33560: Fixed a side-channel against ElGamal encryption, caused by missing exponent blinding (bsc#1187212).

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • SUSE Linux Enterprise Point of Service 11 SP3
    zypper in -t patch sleposp3-libgcrypt-14751=1
  • SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4
    zypper in -t patch slessp4-libgcrypt-14751=1
  • SUSE Linux Enterprise Server 11 SP4
    zypper in -t patch slessp4-libgcrypt-14751=1

Package List:

  • SUSE Linux Enterprise Point of Service 11 SP3 (i586)
    • libgcrypt11-1.5.0-0.26.6.1
  • SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4 (ppc64 s390x x86_64 i586)
    • libgcrypt11-1.5.0-0.26.6.1
  • SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4 (ppc64 s390x x86_64)
    • libgcrypt11-32bit-1.5.0-0.26.6.1
  • SUSE Linux Enterprise Server 11 SP4 (ppc64 s390x x86_64 i586)
    • libgcrypt11-1.5.0-0.26.6.1
  • SUSE Linux Enterprise Server 11 SP4 (ppc64 s390x x86_64)
    • libgcrypt11-32bit-1.5.0-0.26.6.1

References: