Security update for gnutls

SUSE Security Update: Security update for gnutls
Announcement ID: SUSE-SU-2018:2930-1
Rating: moderate
References: #1047002 #1105437 #1105459 #1105460
Cross-References: CVE-2017-10790 CVE-2018-10844 CVE-2018-10845 CVE-2018-10846
Affected Products:
  • SUSE Linux Enterprise Module for Desktop Applications 15
  • SUSE Linux Enterprise Module for Basesystem 15

An update that fixes four vulnerabilities is now available.

Description:

This update for gnutls fixes the following security issues:

  • Improved mitigations against Lucky 13 class of attacks
  • CVE-2018-10846: "Just in Time" PRIME + PROBE cache-based side channel attack can lead to plaintext recovery (bsc#1105460)
  • CVE-2018-10845: HMAC-SHA-384 vulnerable to Lucky thirteen attack due to use of wrong constant (bsc#1105459)
  • CVE-2018-10844: HMAC-SHA-256 vulnerable to Lucky thirteen attack due to not enough dummy function calls (bsc#1105437)
  • CVE-2017-10790: The _asn1_check_identifier function in Libtasn1 caused a NULL pointer dereference and crash (bsc#1047002)

Patch Instructions:

To install this SUSE Security 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 Module for Desktop Applications 15:
    zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-2018-2070=1
  • SUSE Linux Enterprise Module for Basesystem 15:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-2018-2070=1

Package List:

  • SUSE Linux Enterprise Module for Desktop Applications 15 (x86_64):
    • gnutls-debugsource-3.6.2-6.3.1
    • libgnutls30-32bit-3.6.2-6.3.1
    • libgnutls30-32bit-debuginfo-3.6.2-6.3.1
  • SUSE Linux Enterprise Module for Basesystem 15 (aarch64 ppc64le s390x x86_64):
    • gnutls-3.6.2-6.3.1
    • gnutls-debuginfo-3.6.2-6.3.1
    • gnutls-debugsource-3.6.2-6.3.1
    • libgnutls-devel-3.6.2-6.3.1
    • libgnutls30-3.6.2-6.3.1
    • libgnutls30-debuginfo-3.6.2-6.3.1
    • libgnutlsxx-devel-3.6.2-6.3.1
    • libgnutlsxx28-3.6.2-6.3.1
    • libgnutlsxx28-debuginfo-3.6.2-6.3.1

References: