SUSE-SU-2020:14355-1: important: Security update for LibVNCServer

[sle-updates at lists.suse.com]

   SUSE Security Update: Security update for LibVNCServer
______________________________________________________________________________

Announcement ID:    SUSE-SU-2020:14355-1
Rating:             important
References:         #1155419 #1160471 #1170441 
Cross-References:   CVE-2019-15681 CVE-2019-15690 CVE-2019-20788
                   
Affected Products:
                    SUSE Linux Enterprise Server 11-SP4-LTSS
                    SUSE Linux Enterprise Point of Sale 11-SP3
                    SUSE Linux Enterprise Debuginfo 11-SP4
                    SUSE Linux Enterprise Debuginfo 11-SP3
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   An update that fixes three vulnerabilities is now available.

Description:

   This update for LibVNCServer fixes the following issues:

   - CVE-2019-15690: Fixed a heap buffer overflow (bsc#1160471).
   - CVE-2019-15681: Fixed a memory leak which could have allowed to a remote
     attacker to read stack memory (bsc#1155419).
   - CVE-2019-20788: Fixed a integer overflow and heap-based buffer overflow
     via a large height or width value (bsc#1170441).


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 Server 11-SP4-LTSS:

      zypper in -t patch slessp4-LibVNCServer-14355=1

   - SUSE Linux Enterprise Point of Sale 11-SP3:

      zypper in -t patch sleposp3-LibVNCServer-14355=1

   - SUSE Linux Enterprise Debuginfo 11-SP4:

      zypper in -t patch dbgsp4-LibVNCServer-14355=1

   - SUSE Linux Enterprise Debuginfo 11-SP3:

      zypper in -t patch dbgsp3-LibVNCServer-14355=1



Package List:

   - SUSE Linux Enterprise Server 11-SP4-LTSS (i586 ppc64 s390x x86_64):

      LibVNCServer-0.9.1-160.14.1

   - SUSE Linux Enterprise Point of Sale 11-SP3 (i586):

      LibVNCServer-0.9.1-160.14.1

   - SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ppc64 s390x x86_64):

      LibVNCServer-debuginfo-0.9.1-160.14.1
      LibVNCServer-debugsource-0.9.1-160.14.1

   - SUSE Linux Enterprise Debuginfo 11-SP3 (i586 s390x x86_64):

      LibVNCServer-debuginfo-0.9.1-160.14.1
      LibVNCServer-debugsource-0.9.1-160.14.1


References:

   https://www.suse.com/security/cve/CVE-2019-15681.html
   https://www.suse.com/security/cve/CVE-2019-15690.html
   https://www.suse.com/security/cve/CVE-2019-20788.html
   https://bugzilla.suse.com/1155419
   https://bugzilla.suse.com/1160471
   https://bugzilla.suse.com/1170441