SUSE Security Update: Security update for tigervnc
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Announcement ID:    SUSE-SU-2020:2880-1
Rating:             critical
References:         #1176733 
Cross-References:   CVE-2020-26117
Affected Products:
                    SUSE Linux Enterprise Module for Desktop Applications 15-SP2
                    SUSE Linux Enterprise Module for Desktop Applications 15-SP1
                    SUSE Linux Enterprise Module for Basesystem 15-SP2
                    SUSE Linux Enterprise Module for Basesystem 15-SP1
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   An update that fixes one vulnerability is now available.

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 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 Linux Enterprise Module for Desktop Applications 15-SP2:

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

   - SUSE Linux Enterprise Module for Desktop Applications 15-SP1:

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

   - SUSE Linux Enterprise Module for Basesystem 15-SP2:

      zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2020-2880=1

   - SUSE Linux Enterprise Module for Basesystem 15-SP1:

      zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2020-2880=1



Package List:

   - SUSE Linux Enterprise Module for Desktop Applications 15-SP2 (aarch64 ppc64le s390x x86_64):

      libXvnc-devel-1.9.0-19.9.1
      tigervnc-debuginfo-1.9.0-19.9.1
      tigervnc-debugsource-1.9.0-19.9.1

   - SUSE Linux Enterprise Module for Desktop Applications 15-SP1 (aarch64 ppc64le s390x x86_64):

      libXvnc-devel-1.9.0-19.9.1
      tigervnc-debuginfo-1.9.0-19.9.1
      tigervnc-debugsource-1.9.0-19.9.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le s390x x86_64):

      libXvnc1-1.9.0-19.9.1
      libXvnc1-debuginfo-1.9.0-19.9.1
      tigervnc-1.9.0-19.9.1
      tigervnc-debuginfo-1.9.0-19.9.1
      tigervnc-debugsource-1.9.0-19.9.1
      xorg-x11-Xvnc-1.9.0-19.9.1
      xorg-x11-Xvnc-debuginfo-1.9.0-19.9.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le x86_64):

      xorg-x11-Xvnc-module-1.9.0-19.9.1
      xorg-x11-Xvnc-module-debuginfo-1.9.0-19.9.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP2 (noarch):

      xorg-x11-Xvnc-novnc-1.9.0-19.9.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP1 (aarch64 ppc64le s390x x86_64):

      libXvnc1-1.9.0-19.9.1
      libXvnc1-debuginfo-1.9.0-19.9.1
      tigervnc-1.9.0-19.9.1
      tigervnc-debuginfo-1.9.0-19.9.1
      tigervnc-debugsource-1.9.0-19.9.1
      xorg-x11-Xvnc-1.9.0-19.9.1
      xorg-x11-Xvnc-debuginfo-1.9.0-19.9.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP1 (aarch64 ppc64le x86_64):

      xorg-x11-Xvnc-module-1.9.0-19.9.1
      xorg-x11-Xvnc-module-debuginfo-1.9.0-19.9.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP1 (noarch):

      xorg-x11-Xvnc-novnc-1.9.0-19.9.1


References:

   https://www.suse.com/security/cve/CVE-2020-26117.html
   https://bugzilla.suse.com/1176733

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