Security update for gdm

SUSE Security Update: Security update for gdm
Announcement ID: SUSE-SU-2018:2527-1
Rating: moderate
References: #1103737
Cross-References: CVE-2018-14424
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 one vulnerability is now available.

Description:

This update for gdm fixes the following security issue:

- CVE-2018-14424: The daemon in GDM did not properly unexport display
objects from its D-Bus interface when they are destroyed, which allowed
a local attacker to trigger a use-after-free via a specially crafted
sequence of D-Bus method calls, resulting in a denial of service or
potential code execution (bsc#1103737).

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-SP3-2018-1765=1
  • SUSE Linux Enterprise Server 12-SP3:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-1765=1
  • SUSE Linux Enterprise Desktop 12-SP3:
    zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2018-1765=1

Package List:

  • SUSE Linux Enterprise Software Development Kit 12-SP3 (aarch64 ppc64le s390x x86_64):
    • gdm-debuginfo-3.10.0.1-54.6.3
    • gdm-debugsource-3.10.0.1-54.6.3
    • gdm-devel-3.10.0.1-54.6.3
  • SUSE Linux Enterprise Server 12-SP3 (aarch64 ppc64le s390x x86_64):
    • gdm-3.10.0.1-54.6.3
    • gdm-debuginfo-3.10.0.1-54.6.3
    • gdm-debugsource-3.10.0.1-54.6.3
    • libgdm1-3.10.0.1-54.6.3
    • libgdm1-debuginfo-3.10.0.1-54.6.3
    • typelib-1_0-Gdm-1_0-3.10.0.1-54.6.3
  • SUSE Linux Enterprise Server 12-SP3 (noarch):
    • gdm-lang-3.10.0.1-54.6.3
    • gdmflexiserver-3.10.0.1-54.6.3
  • SUSE Linux Enterprise Desktop 12-SP3 (x86_64):
    • gdm-3.10.0.1-54.6.3
    • gdm-debuginfo-3.10.0.1-54.6.3
    • gdm-debugsource-3.10.0.1-54.6.3
    • libgdm1-3.10.0.1-54.6.3
    • libgdm1-debuginfo-3.10.0.1-54.6.3
    • typelib-1_0-Gdm-1_0-3.10.0.1-54.6.3
  • SUSE Linux Enterprise Desktop 12-SP3 (noarch):
    • gdm-lang-3.10.0.1-54.6.3
    • gdmflexiserver-3.10.0.1-54.6.3

References: