Security update for tigervnc

Announcement ID:	SUSE-SU-2020:0159-1
Rating:	important
References:	bsc#1159856 bsc#1159858 bsc#1159860 bsc#1160250 bsc#1160251 bsc#1160937
Cross-References:	CVE-2019-15691 CVE-2019-15692 CVE-2019-15693 CVE-2019-15694 CVE-2019-15695
CVSS scores:	CVE-2019-15691 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2019-15691 ( NVD ): 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2019-15692 ( SUSE ): 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2019-15692 ( NVD ): 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2019-15693 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2019-15693 ( NVD ): 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2019-15694 ( SUSE ): 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2019-15694 ( NVD ): 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2019-15695 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2019-15695 ( NVD ): 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected Products:	HPE Helion OpenStack 8 SUSE Enterprise Storage 5 SUSE Linux Enterprise High Performance Computing 12 SP2 SUSE Linux Enterprise High Performance Computing 12 SP3 SUSE Linux Enterprise High Performance Computing 12 SP4 SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise Point of Service Image Server 12 12-SP2 SUSE Linux Enterprise Server 12 SP2 SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 SUSE Linux Enterprise Server 12 SP2 ESPOS 12-SP2 SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2 SUSE Linux Enterprise Server 12 SP3 SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3 SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server for SAP Applications 12 SP2 SUSE Linux Enterprise Server for SAP Applications 12 SP3 SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP5 SUSE OpenStack Cloud 7 SUSE OpenStack Cloud 8 SUSE OpenStack Cloud Crowbar 8

An update that solves five vulnerabilities and has one security fix can now be installed.

Description:

This update for tigervnc fixes the following issues:

• CVE-2019-15691: Fixed a use-after-return due to incorrect usage of stack memory in ZRLEDecoder (bsc#1159856).
• CVE-2019-15692: Fixed a heap-based buffer overflow in CopyRectDecode (bsc#1160250).
• CVE-2019-15693: Fixed a heap-based buffer overflow in TightDecoder::FilterGradient (bsc#1159858).
• CVE-2019-15694: Fixed a heap-based buffer overflow, caused by improper error handling in processing MemOutStream (bsc#1160251).
• CVE-2019-15695: Fixed a stack-based buffer overflow, which could be triggered from CMsgReader::readSetCursor (bsc#1159860).

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:

• HPE Helion OpenStack 8
  zypper in -t patch HPE-Helion-OpenStack-8-2020-159=1
• SUSE OpenStack Cloud 7
  zypper in -t patch SUSE-OpenStack-Cloud-7-2020-159=1
• SUSE OpenStack Cloud 8
  zypper in -t patch SUSE-OpenStack-Cloud-8-2020-159=1
• SUSE OpenStack Cloud Crowbar 8
  zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2020-159=1
• SUSE Linux Enterprise Point of Service Image Server 12 12-SP2
  zypper in -t patch SUSE-SLE-POS-12-SP2-CLIENT-2020-159=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP2
  zypper in -t patch SUSE-SLE-SAP-12-SP2-2020-159=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP3
  zypper in -t patch SUSE-SLE-SAP-12-SP3-2020-159=1
• SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2020-159=1
• SUSE Linux Enterprise Server 12 SP2 ESPOS 12-SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-ESPOS-2020-159=1
• SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-2020-159=1
• SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2020-159=1
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-ESPOS-2020-159=1
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-2020-159=1
• SUSE Enterprise Storage 5
  zypper in -t patch SUSE-Storage-5-2020-159=1

Package List:

• HPE Helion OpenStack 8 (x86_64)
  • libXvnc1-debuginfo-1.6.0-18.28.1
  • xorg-x11-Xvnc-debuginfo-1.6.0-18.28.1
  • tigervnc-debugsource-1.6.0-18.28.1
  • xorg-x11-Xvnc-1.6.0-18.28.1
  • tigervnc-1.6.0-18.28.1
  • libXvnc1-1.6.0-18.28.1
  • tigervnc-debuginfo-1.6.0-18.28.1
• SUSE OpenStack Cloud 7 (x86_64)
  • libXvnc1-debuginfo-1.6.0-18.28.1
  • xorg-x11-Xvnc-debuginfo-1.6.0-18.28.1
  • tigervnc-debugsource-1.6.0-18.28.1
  • xorg-x11-Xvnc-1.6.0-18.28.1
  • tigervnc-1.6.0-18.28.1
  • libXvnc1-1.6.0-18.28.1
  • tigervnc-debuginfo-1.6.0-18.28.1
• SUSE OpenStack Cloud 8 (x86_64)
  • libXvnc1-debuginfo-1.6.0-18.28.1
  • xorg-x11-Xvnc-debuginfo-1.6.0-18.28.1
  • tigervnc-debugsource-1.6.0-18.28.1
  • xorg-x11-Xvnc-1.6.0-18.28.1
  • tigervnc-1.6.0-18.28.1
  • libXvnc1-1.6.0-18.28.1
  • tigervnc-debuginfo-1.6.0-18.28.1
• SUSE OpenStack Cloud Crowbar 8 (x86_64)
  • libXvnc1-debuginfo-1.6.0-18.28.1
  • xorg-x11-Xvnc-debuginfo-1.6.0-18.28.1
  • tigervnc-debugsource-1.6.0-18.28.1
  • xorg-x11-Xvnc-1.6.0-18.28.1
  • tigervnc-1.6.0-18.28.1
  • libXvnc1-1.6.0-18.28.1
  • tigervnc-debuginfo-1.6.0-18.28.1
• SUSE Linux Enterprise Point of Service Image Server 12 12-SP2 (x86_64)
  • libXvnc1-debuginfo-1.6.0-18.28.1
  • xorg-x11-Xvnc-debuginfo-1.6.0-18.28.1
  • tigervnc-debugsource-1.6.0-18.28.1
  • xorg-x11-Xvnc-1.6.0-18.28.1
  • tigervnc-1.6.0-18.28.1
  • libXvnc1-1.6.0-18.28.1
  • tigervnc-debuginfo-1.6.0-18.28.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP2 (ppc64le x86_64)
  • libXvnc1-debuginfo-1.6.0-18.28.1
  • xorg-x11-Xvnc-debuginfo-1.6.0-18.28.1
  • tigervnc-debugsource-1.6.0-18.28.1
  • xorg-x11-Xvnc-1.6.0-18.28.1
  • tigervnc-1.6.0-18.28.1
  • libXvnc1-1.6.0-18.28.1
  • tigervnc-debuginfo-1.6.0-18.28.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP3 (ppc64le x86_64)
  • libXvnc1-debuginfo-1.6.0-18.28.1
  • xorg-x11-Xvnc-debuginfo-1.6.0-18.28.1
  • tigervnc-debugsource-1.6.0-18.28.1
  • xorg-x11-Xvnc-1.6.0-18.28.1
  • tigervnc-1.6.0-18.28.1
  • libXvnc1-1.6.0-18.28.1
  • tigervnc-debuginfo-1.6.0-18.28.1
• SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (x86_64)
  • libXvnc1-debuginfo-1.6.0-18.28.1
  • xorg-x11-Xvnc-debuginfo-1.6.0-18.28.1
  • tigervnc-debugsource-1.6.0-18.28.1
  • xorg-x11-Xvnc-1.6.0-18.28.1
  • tigervnc-1.6.0-18.28.1
  • libXvnc1-1.6.0-18.28.1
  • tigervnc-debuginfo-1.6.0-18.28.1
• SUSE Linux Enterprise Server 12 SP2 ESPOS 12-SP2 (x86_64)
  • libXvnc1-debuginfo-1.6.0-18.28.1
  • xorg-x11-Xvnc-debuginfo-1.6.0-18.28.1
  • tigervnc-debugsource-1.6.0-18.28.1
  • xorg-x11-Xvnc-1.6.0-18.28.1
  • tigervnc-1.6.0-18.28.1
  • libXvnc1-1.6.0-18.28.1
  • tigervnc-debuginfo-1.6.0-18.28.1
• SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2 (ppc64le s390x x86_64)
  • libXvnc1-debuginfo-1.6.0-18.28.1
  • xorg-x11-Xvnc-debuginfo-1.6.0-18.28.1
  • tigervnc-debugsource-1.6.0-18.28.1
  • xorg-x11-Xvnc-1.6.0-18.28.1
  • tigervnc-1.6.0-18.28.1
  • libXvnc1-1.6.0-18.28.1
  • tigervnc-debuginfo-1.6.0-18.28.1
• SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3 (x86_64)
  • libXvnc1-debuginfo-1.6.0-18.28.1
  • xorg-x11-Xvnc-debuginfo-1.6.0-18.28.1
  • tigervnc-debugsource-1.6.0-18.28.1
  • xorg-x11-Xvnc-1.6.0-18.28.1
  • tigervnc-1.6.0-18.28.1
  • libXvnc1-1.6.0-18.28.1
  • tigervnc-debuginfo-1.6.0-18.28.1
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 (aarch64 x86_64)
  • libXvnc1-debuginfo-1.6.0-18.28.1
  • xorg-x11-Xvnc-debuginfo-1.6.0-18.28.1
  • tigervnc-debugsource-1.6.0-18.28.1
  • xorg-x11-Xvnc-1.6.0-18.28.1
  • tigervnc-1.6.0-18.28.1
  • libXvnc1-1.6.0-18.28.1
  • tigervnc-debuginfo-1.6.0-18.28.1
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 (aarch64 ppc64le s390x x86_64)
  • libXvnc1-debuginfo-1.6.0-18.28.1
  • xorg-x11-Xvnc-debuginfo-1.6.0-18.28.1
  • tigervnc-debugsource-1.6.0-18.28.1
  • xorg-x11-Xvnc-1.6.0-18.28.1
  • tigervnc-1.6.0-18.28.1
  • libXvnc1-1.6.0-18.28.1
  • tigervnc-debuginfo-1.6.0-18.28.1
• SUSE Enterprise Storage 5 (aarch64 x86_64)
  • libXvnc1-debuginfo-1.6.0-18.28.1
  • xorg-x11-Xvnc-debuginfo-1.6.0-18.28.1
  • tigervnc-debugsource-1.6.0-18.28.1
  • xorg-x11-Xvnc-1.6.0-18.28.1
  • tigervnc-1.6.0-18.28.1
  • libXvnc1-1.6.0-18.28.1
  • tigervnc-debuginfo-1.6.0-18.28.1

References:

• https://www.suse.com/security/cve/CVE-2019-15691.html
• https://www.suse.com/security/cve/CVE-2019-15692.html
• https://www.suse.com/security/cve/CVE-2019-15693.html
• https://www.suse.com/security/cve/CVE-2019-15694.html
• https://www.suse.com/security/cve/CVE-2019-15695.html
• https://bugzilla.suse.com/show_bug.cgi?id=1159856
• https://bugzilla.suse.com/show_bug.cgi?id=1159858
• https://bugzilla.suse.com/show_bug.cgi?id=1159860
• https://bugzilla.suse.com/show_bug.cgi?id=1160250
• https://bugzilla.suse.com/show_bug.cgi?id=1160251
• https://bugzilla.suse.com/show_bug.cgi?id=1160937