Security update for xorg-x11-server

Announcement ID:	SUSE-SU-2020:2326-1
Rating:	important
References:	bsc#1120999 bsc#1174633 bsc#1174635 bsc#1174638
Cross-References:	CVE-2020-14345 CVE-2020-14346 CVE-2020-14347
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:	SUSE Linux Enterprise High Performance Computing 15 SUSE Linux Enterprise High Performance Computing 15 LTSS 15 SUSE Linux Enterprise Server 15 SUSE Linux Enterprise Server 15 LTSS 15 SUSE Linux Enterprise Server ESPOS 15 SUSE Linux Enterprise Server for SAP Applications 15

An update that solves three vulnerabilities and has one security fix 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:

• SUSE Linux Enterprise Server ESPOS 15
  zypper in -t patch SUSE-SLE-Product-HPC-15-2020-2326=1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15
  zypper in -t patch SUSE-SLE-Product-HPC-15-2020-2326=1
• SUSE Linux Enterprise Server 15 LTSS 15
  zypper in -t patch SUSE-SLE-Product-SLES-15-2020-2326=1
• SUSE Linux Enterprise Server for SAP Applications 15
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2020-2326=1

Package List:

• SUSE Linux Enterprise Server ESPOS 15 (aarch64 x86_64)
  • xorg-x11-server-1.19.6-8.16.1
  • xorg-x11-server-extra-debuginfo-1.19.6-8.16.1
  • xorg-x11-server-extra-1.19.6-8.16.1
  • xorg-x11-server-debugsource-1.19.6-8.16.1
  • xorg-x11-server-sdk-1.19.6-8.16.1
  • xorg-x11-server-debuginfo-1.19.6-8.16.1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15 (aarch64 x86_64)
  • xorg-x11-server-1.19.6-8.16.1
  • xorg-x11-server-extra-debuginfo-1.19.6-8.16.1
  • xorg-x11-server-extra-1.19.6-8.16.1
  • xorg-x11-server-debugsource-1.19.6-8.16.1
  • xorg-x11-server-sdk-1.19.6-8.16.1
  • xorg-x11-server-debuginfo-1.19.6-8.16.1
• SUSE Linux Enterprise Server 15 LTSS 15 (aarch64 ppc64le s390x x86_64)
  • xorg-x11-server-1.19.6-8.16.1
  • xorg-x11-server-extra-debuginfo-1.19.6-8.16.1
  • xorg-x11-server-extra-1.19.6-8.16.1
  • xorg-x11-server-debugsource-1.19.6-8.16.1
  • xorg-x11-server-sdk-1.19.6-8.16.1
  • xorg-x11-server-debuginfo-1.19.6-8.16.1
• SUSE Linux Enterprise Server for SAP Applications 15 (ppc64le x86_64)
  • xorg-x11-server-1.19.6-8.16.1
  • xorg-x11-server-extra-debuginfo-1.19.6-8.16.1
  • xorg-x11-server-extra-1.19.6-8.16.1
  • xorg-x11-server-debugsource-1.19.6-8.16.1
  • xorg-x11-server-sdk-1.19.6-8.16.1
  • xorg-x11-server-debuginfo-1.19.6-8.16.1

References:

• https://www.suse.com/security/cve/CVE-2020-14345.html
• https://www.suse.com/security/cve/CVE-2020-14346.html
• https://www.suse.com/security/cve/CVE-2020-14347.html
• https://bugzilla.suse.com/show_bug.cgi?id=1120999
• https://bugzilla.suse.com/show_bug.cgi?id=1174633
• https://bugzilla.suse.com/show_bug.cgi?id=1174635
• https://bugzilla.suse.com/show_bug.cgi?id=1174638