ESB-2019.0646 - [SUSE] gdm: Unauthorised access - Console/physical 2019-03-04

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.0646
                SUSE-SU-2019:0527-1 Security update for gdm
                               4 March 2019

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           gdm
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Unauthorised Access -- Console/Physical
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-3825  

Reference:         ESB-2019.0543

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2019/suse-su-20190527-1.html

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SUSE Security Update: Security update for gdm
______________________________________________________________________________

Announcement ID:   SUSE-SU-2019:0527-1
Rating:            moderate
References:        #1112294 #1112578 #1113245 #1113700 #1120307 #1124628
Cross-References:  CVE-2019-3825
Affected Products:
                   SUSE Linux Enterprise Module for Open Buildservice Development Tools 15
                   SUSE Linux Enterprise Module for Desktop Applications 15
______________________________________________________________________________


An update that solves one vulnerability and has 5 fixes is now available.

Description:

This update for gdm fixes the following issues:
Security issue fixed:

  o CVE-2019-3825: Fixed a lock screen bypass when timed login was enabled (bsc
    #1124628).


Other issues fixed:

  o GLX applications do not work well when the proprietary nvidia driver is
    used with a wayland session. Because of that this update disables wayland
    on that hardware (bsc#1112578).
  o Fixed an issue where gdm restart fails to kill user processes (bsc#1112294
    and bsc#1113245).
  o Fixed a System halt in the screen with message "End of ORACLE section" (bsc
    #1120307).
  o Fixed an issue which did not allow the returning to text console when gdm
    is stopped (bsc#1113700).
  o Fixed an issue which was causing system hang during the load of gdm (bsc#
    1112578).

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:

  o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15:
    zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-2019-527=1
  o SUSE Linux Enterprise Module for Desktop Applications 15:
    zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-2019-527=1

Package List:

  o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15
    (noarch):
       gdm-branding-upstream-3.26.2.1-13.19.2
  o SUSE Linux Enterprise Module for Desktop Applications 15 (aarch64 ppc64le
    s390x x86_64):
       gdm-3.26.2.1-13.19.2
       gdm-debuginfo-3.26.2.1-13.19.2
       gdm-debugsource-3.26.2.1-13.19.2
       gdm-devel-3.26.2.1-13.19.2
       libgdm1-3.26.2.1-13.19.2
       libgdm1-debuginfo-3.26.2.1-13.19.2
       typelib-1_0-Gdm-1_0-3.26.2.1-13.19.2
  o SUSE Linux Enterprise Module for Desktop Applications 15 (noarch):
       gdm-lang-3.26.2.1-13.19.2
       gdmflexiserver-3.26.2.1-13.19.2


References:

  o https://www.suse.com/security/cve/CVE-2019-3825.html
  o https://bugzilla.suse.com/1112294
  o https://bugzilla.suse.com/1112578
  o https://bugzilla.suse.com/1113245
  o https://bugzilla.suse.com/1113700
  o https://bugzilla.suse.com/1120307
  o https://bugzilla.suse.com/1124628

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