Security update for gnutls

Announcement ID: SUSE-SU-2021:0935-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2021-20231 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
  • CVE-2021-20231 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-20232 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
  • CVE-2021-20232 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • Basesystem Module 15-SP2
  • SUSE Linux Enterprise Desktop 15 SP2
  • SUSE Linux Enterprise High Performance Computing 15 SP2
  • SUSE Linux Enterprise Micro 5.0
  • SUSE Linux Enterprise Real Time 15 SP2
  • SUSE Linux Enterprise Server 15 SP2
  • SUSE Linux Enterprise Server 15 SP2 Business Critical Linux 15-SP2
  • SUSE Linux Enterprise Server for SAP Applications 15 SP2
  • SUSE Manager Proxy 4.1
  • SUSE Manager Retail Branch Server 4.1
  • SUSE Manager Server 4.1

An update that solves two vulnerabilities can now be installed.

Description:

This update for gnutls fixes the following issues:

  • CVE-2021-20232: Fixed a use after free issue which could have led to memory corruption and other potential consequences (bsc#1183456).
  • CVE-2021-20231: Fixed a use after free issue which could have led to memory corruption and other potential consequences (bsc#1183457).

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:

  • Basesystem Module 15-SP2
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-935=1
  • SUSE Linux Enterprise Micro 5.0
    zypper in -t patch SUSE-SUSE-MicroOS-5.0-2021-935=1

Package List:

  • Basesystem Module 15-SP2 (aarch64 ppc64le s390x x86_64)
    • gnutls-debugsource-3.6.7-14.10.2
    • libgnutls30-hmac-3.6.7-14.10.2
    • libgnutlsxx28-3.6.7-14.10.2
    • libgnutls-devel-3.6.7-14.10.2
    • libgnutls30-3.6.7-14.10.2
    • gnutls-3.6.7-14.10.2
    • libgnutlsxx28-debuginfo-3.6.7-14.10.2
    • libgnutlsxx-devel-3.6.7-14.10.2
    • gnutls-debuginfo-3.6.7-14.10.2
    • libgnutls30-debuginfo-3.6.7-14.10.2
  • Basesystem Module 15-SP2 (x86_64)
    • libgnutls30-hmac-32bit-3.6.7-14.10.2
    • libgnutls30-32bit-debuginfo-3.6.7-14.10.2
    • libgnutls30-32bit-3.6.7-14.10.2
  • SUSE Linux Enterprise Micro 5.0 (aarch64 x86_64)
    • gnutls-debugsource-3.6.7-14.10.2
    • libgnutls30-debuginfo-3.6.7-14.10.2
    • libgnutls30-3.6.7-14.10.2
    • gnutls-debuginfo-3.6.7-14.10.2

References: