Security update for gnutls

SUSE Security Update: Security update for gnutls
Announcement ID: SUSE-SU-2018:2842-1
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 Software Development Kit 12-SP3
  • SUSE Linux Enterprise Server 12-SP3
  • SUSE Linux Enterprise Desktop 12-SP3

An update that fixes four vulnerabilities is now available.

Description:

This update for gnutls fixes the following issues:
Security issues fixed:

  • Improved mitigations against Lucky 13 class of attacks - "Just in Time" PRIME + PROBE cache-based side channel attack can lead to plaintext recovery (CVE-2018-10846, bsc#1105460) - HMAC-SHA-384 vulnerable to Lucky thirteen attack due to use of wrong constant (CVE-2018-10845, bsc#1105459) - HMAC-SHA-256 vulnerable to Lucky thirteen attack due to not enough dummy function calls (CVE-2018-10844, bsc#1105437)
  • The _asn1_check_identifier function in Libtasn1 caused a NULL pointer dereference and crash (CVE-2017-10790, 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 Software Development Kit 12-SP3:
    zypper in -t patch SUSE-SLE-SDK-12-SP3-2018-1990=1
  • SUSE Linux Enterprise Server 12-SP3:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-1990=1
  • SUSE Linux Enterprise Desktop 12-SP3:
    zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2018-1990=1

Package List:

  • SUSE Linux Enterprise Software Development Kit 12-SP3 (aarch64 ppc64le s390x x86_64):
    • gnutls-debuginfo-3.3.27-3.3.1
    • gnutls-debugsource-3.3.27-3.3.1
    • libgnutls-devel-3.3.27-3.3.1
    • libgnutls-openssl-devel-3.3.27-3.3.1
    • libgnutlsxx-devel-3.3.27-3.3.1
    • libgnutlsxx28-3.3.27-3.3.1
    • libgnutlsxx28-debuginfo-3.3.27-3.3.1
  • SUSE Linux Enterprise Server 12-SP3 (aarch64 ppc64le s390x x86_64):
    • gnutls-3.3.27-3.3.1
    • gnutls-debuginfo-3.3.27-3.3.1
    • gnutls-debugsource-3.3.27-3.3.1
    • libgnutls-openssl27-3.3.27-3.3.1
    • libgnutls-openssl27-debuginfo-3.3.27-3.3.1
    • libgnutls28-3.3.27-3.3.1
    • libgnutls28-debuginfo-3.3.27-3.3.1
  • SUSE Linux Enterprise Server 12-SP3 (s390x x86_64):
    • libgnutls28-32bit-3.3.27-3.3.1
    • libgnutls28-debuginfo-32bit-3.3.27-3.3.1
  • SUSE Linux Enterprise Desktop 12-SP3 (x86_64):
    • gnutls-3.3.27-3.3.1
    • gnutls-debuginfo-3.3.27-3.3.1
    • gnutls-debugsource-3.3.27-3.3.1
    • libgnutls28-3.3.27-3.3.1
    • libgnutls28-32bit-3.3.27-3.3.1
    • libgnutls28-debuginfo-3.3.27-3.3.1
    • libgnutls28-debuginfo-32bit-3.3.27-3.3.1

References: