Security update for tigervnc

SUSE Security Update: Security update for tigervnc
Announcement ID: SUSE-SU-2020:0159-1
Rating: important
References: #1159856 #1159858 #1159860 #1160250 #1160251 #1160937
Cross-References:CVE-2019-15691 CVE-2019-15692 CVE-2019-15693 CVE-2019-15694 CVE-2019-15695
Affected Products:
  • SUSE OpenStack Cloud Crowbar 8
  • SUSE OpenStack Cloud 8
  • SUSE OpenStack Cloud 7
  • SUSE Linux Enterprise Server for SAP 12-SP3
  • SUSE Linux Enterprise Server for SAP 12-SP2
  • SUSE Linux Enterprise Server 12-SP3-LTSS
  • SUSE Linux Enterprise Server 12-SP3-BCL
  • SUSE Linux Enterprise Server 12-SP2-LTSS
  • SUSE Linux Enterprise Server 12-SP2-BCL
  • SUSE Enterprise Storage 5
  • HPE Helion Openstack 8

An update that solves 5 vulnerabilities and has one errata is now available.

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 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:

  • SUSE OpenStack Cloud Crowbar 8:
    zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2020-159=1
  • SUSE OpenStack Cloud 8:
    zypper in -t patch SUSE-OpenStack-Cloud-8-2020-159=1
  • SUSE OpenStack Cloud 7:
    zypper in -t patch SUSE-OpenStack-Cloud-7-2020-159=1
  • SUSE Linux Enterprise Server for SAP 12-SP3:
    zypper in -t patch SUSE-SLE-SAP-12-SP3-2020-159=1
  • SUSE Linux Enterprise Server for SAP 12-SP2:
    zypper in -t patch SUSE-SLE-SAP-12-SP2-2020-159=1
  • SUSE Linux Enterprise Server 12-SP3-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2020-159=1
  • SUSE Linux Enterprise Server 12-SP3-BCL:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2020-159=1
  • SUSE Linux Enterprise Server 12-SP2-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-2020-159=1
  • SUSE Linux Enterprise Server 12-SP2-BCL:
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2020-159=1
  • SUSE Enterprise Storage 5:
    zypper in -t patch SUSE-Storage-5-2020-159=1
  • HPE Helion Openstack 8:
    zypper in -t patch HPE-Helion-OpenStack-8-2020-159=1

Package List:

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

References: