SUSE-SU-2017:0622-1: moderate: Security update for tigervnc

[sle-security-updates at lists.suse.com]

   SUSE Security Update: Security update for tigervnc
______________________________________________________________________________

Announcement ID:    SUSE-SU-2017:0622-1
Rating:             moderate
References:         #1019274 #1023012 
Cross-References:   CVE-2016-10207 CVE-2016-9941 CVE-2016-9942
                   
Affected Products:
                    SUSE Linux Enterprise Server for Raspberry Pi 12-SP2
                    SUSE Linux Enterprise Server 12-SP2
                    SUSE Linux Enterprise Desktop 12-SP2
______________________________________________________________________________

   An update that fixes three vulnerabilities is now available.

Description:


   This update for tigervnc provides the following fixes:

   - Prevent malicious server from crashing a server via a buffer overflow, a
     similar flaw as the LibVNCServer issues CVE-2016-9941 and CVE-2016-9942.
     (bsc#1019274)
   - CVE-2016-10207: Prevent potential crash due to insufficient clean-up
     after failure to establish TLS connection. (bsc#1023012)


Patch Instructions:

   To install this SUSE Security Update use YaST online_update.
   Alternatively you can run the command listed for your product:

   - SUSE Linux Enterprise Server for Raspberry Pi 12-SP2:

      zypper in -t patch SUSE-SLE-RPI-12-SP2-2017-335=1

   - SUSE Linux Enterprise Server 12-SP2:

      zypper in -t patch SUSE-SLE-SERVER-12-SP2-2017-335=1

   - SUSE Linux Enterprise Desktop 12-SP2:

      zypper in -t patch SUSE-SLE-DESKTOP-12-SP2-2017-335=1

   To bring your system up-to-date, use "zypper patch".


Package List:

   - SUSE Linux Enterprise Server for Raspberry Pi 12-SP2 (aarch64):

      libXvnc1-1.6.0-16.4
      libXvnc1-debuginfo-1.6.0-16.4
      tigervnc-1.6.0-16.4
      tigervnc-debuginfo-1.6.0-16.4
      tigervnc-debugsource-1.6.0-16.4
      xorg-x11-Xvnc-1.6.0-16.4
      xorg-x11-Xvnc-debuginfo-1.6.0-16.4

   - SUSE Linux Enterprise Server 12-SP2 (aarch64 ppc64le x86_64):

      libXvnc1-1.6.0-16.4
      libXvnc1-debuginfo-1.6.0-16.4
      tigervnc-1.6.0-16.4
      tigervnc-debuginfo-1.6.0-16.4
      tigervnc-debugsource-1.6.0-16.4
      xorg-x11-Xvnc-1.6.0-16.4
      xorg-x11-Xvnc-debuginfo-1.6.0-16.4

   - SUSE Linux Enterprise Desktop 12-SP2 (x86_64):

      libXvnc1-1.6.0-16.4
      libXvnc1-debuginfo-1.6.0-16.4
      tigervnc-1.6.0-16.4
      tigervnc-debuginfo-1.6.0-16.4
      tigervnc-debugsource-1.6.0-16.4
      xorg-x11-Xvnc-1.6.0-16.4
      xorg-x11-Xvnc-debuginfo-1.6.0-16.4


References:

   https://www.suse.com/security/cve/CVE-2016-10207.html
   https://www.suse.com/security/cve/CVE-2016-9941.html
   https://www.suse.com/security/cve/CVE-2016-9942.html
   https://bugzilla.suse.com/1019274
   https://bugzilla.suse.com/1023012