Security update for gnutls

Announcement ID: SUSE-SU-2019:1121-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2018-16868 ( SUSE ): 5.3 CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
  • CVE-2018-16868 ( NVD ): 5.6 CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
  • CVE-2018-16868 ( NVD ): 5.6 CVSS:3.0/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
  • CVE-2019-3829 ( SUSE ): 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • CVE-2019-3829 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2019-3836 ( SUSE ): 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2019-3836 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • Basesystem Module 15
  • Desktop Applications Module 15
  • SUSE Linux Enterprise Desktop 15
  • SUSE Linux Enterprise High Performance Computing 15
  • SUSE Linux Enterprise Server 15
  • SUSE Linux Enterprise Server for SAP Applications 15

An update that solves three vulnerabilities can now be installed.

Description:

This update for gnutls fixes to version 3.6.7 the following issues:

Security issued fixed:

  • CVE-2019-3836: Fixed an invalid pointer access via malformed TLS1.3 async messages (bsc#1130682).
  • CVE-2019-3829: Fixed a double free vulnerability in the certificate verification API (bsc#1130681).
  • CVE-2018-16868: Fixed Bleichenbacher-like side channel leakage in PKCS#1 v1.5 verification and padding oracle verification (bsc#1118087)

Non-security issue fixed:

  • Update gnutls to support TLS 1.3 (fate#327114)

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
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-2019-1121=1
  • Desktop Applications Module 15
    zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-2019-1121=1

Package List:

  • Basesystem Module 15 (aarch64 ppc64le s390x x86_64)
    • gnutls-debuginfo-3.6.7-6.8.1
    • gnutls-debugsource-3.6.7-6.8.1
    • libgnutlsxx-devel-3.6.7-6.8.1
    • libgnutlsxx28-debuginfo-3.6.7-6.8.1
    • libgnutls30-debuginfo-3.6.7-6.8.1
    • libgnutls-devel-3.6.7-6.8.1
    • libgnutlsxx28-3.6.7-6.8.1
    • gnutls-3.6.7-6.8.1
    • libgnutls30-3.6.7-6.8.1
  • Basesystem Module 15 (x86_64)
    • libgnutls30-32bit-debuginfo-3.6.7-6.8.1
    • libgnutls30-32bit-3.6.7-6.8.1
  • Desktop Applications Module 15 (x86_64)
    • libgnutls30-32bit-debuginfo-3.6.7-6.8.1
    • gnutls-debugsource-3.6.7-6.8.1
    • libgnutls30-32bit-3.6.7-6.8.1

References: