Security update for xorg-x11-server

Announcement ID: SUSE-SU-2020:2241-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2020-14345 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-14345 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-14346 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-14346 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-14347 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • CVE-2020-14347 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Products:
  • Basesystem Module 15-SP1
  • Development Tools Module 15-SP1
  • SUSE Linux Enterprise Desktop 15 SP1
  • SUSE Linux Enterprise High Performance Computing 15 SP1
  • SUSE Linux Enterprise Real Time 15 SP1
  • SUSE Linux Enterprise Server 15 SP1
  • SUSE Linux Enterprise Server 15 SP1 Business Critical Linux 15-SP1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP1
  • SUSE Linux Enterprise Workstation Extension 15 SP1
  • SUSE Manager Proxy 4.0
  • SUSE Manager Retail Branch Server 4.0
  • SUSE Manager Server 4.0

An update that solves three vulnerabilities can now be installed.

Description:

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

  • CVE-2020-14347: Leak of uninitialized heap memory from the X server to clients on pixmap allocation (bsc#1174633, ZDI-CAN-11426).
  • CVE-2020-14346: XIChangeHierarchy Integer Underflow Privilege Escalation Vulnerability (bsc#1174638, ZDI-CAN-11429).
  • CVE-2020-14345: XKB out-of-bounds access privilege escalation vulnerability (bsc#1174635, ZDI-CAN-11428).

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • Basesystem Module 15-SP1
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2020-2241=1
  • Development Tools Module 15-SP1
    zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP1-2020-2241=1
  • SUSE Linux Enterprise Workstation Extension 15 SP1
    zypper in -t patch SUSE-SLE-Product-WE-15-SP1-2020-2241=1

Package List:

  • Basesystem Module 15-SP1 (aarch64 ppc64le s390x x86_64)
    • xorg-x11-server-debuginfo-1.20.3-14.5.1
    • xorg-x11-server-debugsource-1.20.3-14.5.1
    • xorg-x11-server-extra-1.20.3-14.5.1
    • xorg-x11-server-extra-debuginfo-1.20.3-14.5.1
    • xorg-x11-server-1.20.3-14.5.1
  • Development Tools Module 15-SP1 (aarch64 ppc64le s390x x86_64)
    • xorg-x11-server-debuginfo-1.20.3-14.5.1
    • xorg-x11-server-debugsource-1.20.3-14.5.1
    • xorg-x11-server-sdk-1.20.3-14.5.1
  • SUSE Linux Enterprise Workstation Extension 15 SP1 (x86_64)
    • xorg-x11-server-debuginfo-1.20.3-14.5.1
    • xorg-x11-server-wayland-1.20.3-14.5.1
    • xorg-x11-server-debugsource-1.20.3-14.5.1
    • xorg-x11-server-wayland-debuginfo-1.20.3-14.5.1

References: