Security update for tigervnc

Announcement ID: SUSE-SU-2020:2880-1
Rating: critical
References:
Cross-References:
CVSS scores:
  • CVE-2020-26117 ( SUSE ): 9.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
  • CVE-2020-26117 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Affected Products:
  • Basesystem Module 15-SP2
  • Basesystem Module 15-SP1
  • Desktop Applications Module 15-SP2
  • Desktop Applications Module 15-SP1
  • SUSE Linux Enterprise Desktop 15 SP1
  • SUSE Linux Enterprise Desktop 15 SP2
  • SUSE Linux Enterprise High Performance Computing 15 SP1
  • SUSE Linux Enterprise High Performance Computing 15 SP2
  • SUSE Linux Enterprise Real Time 15 SP1
  • SUSE Linux Enterprise Real Time 15 SP2
  • SUSE Linux Enterprise Server 15 SP1
  • SUSE Linux Enterprise Server 15 SP1 Business Critical Linux 15-SP1
  • SUSE Linux Enterprise Server 15 SP2
  • SUSE Linux Enterprise Server 15 SP2 Business Critical Linux 15-SP2
  • SUSE Linux Enterprise Server for SAP Applications 15 SP1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP2
  • SUSE Manager Proxy 4.0
  • SUSE Manager Proxy 4.1
  • SUSE Manager Retail Branch Server 4.0
  • SUSE Manager Retail Branch Server 4.1
  • SUSE Manager Server 4.0
  • SUSE Manager Server 4.1

An update that solves one vulnerability can now be installed.

Description:

This update for tigervnc fixes the following issues:

  • CVE-2020-26117: Server certificates were stored as certiticate authorities, allowing malicious owners of these certificates to impersonate any server after a client had added an exception (bsc#1176733)

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-SP1-2020-2880=1
  • Basesystem Module 15-SP2
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2020-2880=1
  • Desktop Applications Module 15-SP1
    zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-SP1-2020-2880=1
  • Desktop Applications Module 15-SP2
    zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-SP2-2020-2880=1

Package List:

  • Basesystem Module 15-SP1 (aarch64 ppc64le s390x x86_64)
    • xorg-x11-Xvnc-1.9.0-19.9.1
    • tigervnc-1.9.0-19.9.1
    • libXvnc1-1.9.0-19.9.1
    • xorg-x11-Xvnc-debuginfo-1.9.0-19.9.1
    • tigervnc-debuginfo-1.9.0-19.9.1
    • libXvnc1-debuginfo-1.9.0-19.9.1
    • tigervnc-debugsource-1.9.0-19.9.1
  • Basesystem Module 15-SP1 (aarch64 ppc64le x86_64)
    • xorg-x11-Xvnc-module-debuginfo-1.9.0-19.9.1
    • xorg-x11-Xvnc-module-1.9.0-19.9.1
  • Basesystem Module 15-SP1 (noarch)
    • xorg-x11-Xvnc-novnc-1.9.0-19.9.1
  • Basesystem Module 15-SP2 (aarch64 ppc64le s390x x86_64)
    • xorg-x11-Xvnc-1.9.0-19.9.1
    • tigervnc-1.9.0-19.9.1
    • libXvnc1-1.9.0-19.9.1
    • xorg-x11-Xvnc-debuginfo-1.9.0-19.9.1
    • tigervnc-debuginfo-1.9.0-19.9.1
    • libXvnc1-debuginfo-1.9.0-19.9.1
    • tigervnc-debugsource-1.9.0-19.9.1
  • Basesystem Module 15-SP2 (aarch64 ppc64le x86_64)
    • xorg-x11-Xvnc-module-debuginfo-1.9.0-19.9.1
    • xorg-x11-Xvnc-module-1.9.0-19.9.1
  • Basesystem Module 15-SP2 (noarch)
    • xorg-x11-Xvnc-novnc-1.9.0-19.9.1
  • Desktop Applications Module 15-SP1 (aarch64 ppc64le s390x x86_64)
    • libXvnc-devel-1.9.0-19.9.1
    • tigervnc-debugsource-1.9.0-19.9.1
    • tigervnc-debuginfo-1.9.0-19.9.1
  • Desktop Applications Module 15-SP2 (aarch64 ppc64le s390x x86_64)
    • libXvnc-devel-1.9.0-19.9.1
    • tigervnc-debugsource-1.9.0-19.9.1
    • tigervnc-debuginfo-1.9.0-19.9.1

References: