Operating System:

[SUSE]

Published:

03 September 2020

Protect yourself against future threats.

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

                               ESB-2020.3021
                    Security update for xorg-x11-server
                             3 September 2020

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

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

Product:           xorg-x11-server
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account
                   Increased Privileges            -- Existing Account
                   Denial of Service               -- Existing Account
                   Access Confidential Data        -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-14362 CVE-2020-14361 

Reference:         ESB-2020.2996
                   ESB-2020.2983

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2020/suse-su-20202452-1

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SUSE Security Update: Security update for xorg-x11-server

______________________________________________________________________________

Announcement ID:   SUSE-SU-2020:2452-1
Rating:            important
References:        #1174910 #1174913
Cross-References:  CVE-2020-14361 CVE-2020-14362
Affected Products:
                   SUSE Linux Enterprise Workstation Extension 15-SP2
                   SUSE Linux Enterprise Module for Development Tools 15-SP2
                   SUSE Linux Enterprise Module for Basesystem 15-SP2
______________________________________________________________________________

An update that fixes two vulnerabilities is now available.

Description:

This update for xorg-x11-server fixes the following issues:

  o CVE-2020-14361: Fix XkbSelectEvents() integer underflow (bsc#1174910
    ZDI-CAN-11573).
  o CVE-2020-14362: Fix XRecordRegisterClients() Integer underflow (bsc#1174913
    ZDI-CAN-11574).

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 Workstation Extension 15-SP2:
    zypper in -t patch SUSE-SLE-Product-WE-15-SP2-2020-2452=1
  o SUSE Linux Enterprise Module for Development Tools 15-SP2:
    zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP2-2020-2452=1
  o SUSE Linux Enterprise Module for Basesystem 15-SP2:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2020-2452=1

Package List:

  o SUSE Linux Enterprise Workstation Extension 15-SP2 (x86_64):
       xorg-x11-server-debuginfo-1.20.3-22.5.5.1
       xorg-x11-server-debugsource-1.20.3-22.5.5.1
       xorg-x11-server-wayland-1.20.3-22.5.5.1
       xorg-x11-server-wayland-debuginfo-1.20.3-22.5.5.1
  o SUSE Linux Enterprise Module for Development Tools 15-SP2 (aarch64 ppc64le
    s390x x86_64):
       xorg-x11-server-debuginfo-1.20.3-22.5.5.1
       xorg-x11-server-debugsource-1.20.3-22.5.5.1
       xorg-x11-server-sdk-1.20.3-22.5.5.1
  o SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le s390x
    x86_64):
       xorg-x11-server-1.20.3-22.5.5.1
       xorg-x11-server-debuginfo-1.20.3-22.5.5.1
       xorg-x11-server-debugsource-1.20.3-22.5.5.1
       xorg-x11-server-extra-1.20.3-22.5.5.1
       xorg-x11-server-extra-debuginfo-1.20.3-22.5.5.1


References:

  o https://www.suse.com/security/cve/CVE-2020-14361.html
  o https://www.suse.com/security/cve/CVE-2020-14362.html
  o https://bugzilla.suse.com/1174910
  o https://bugzilla.suse.com/1174913

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