Operating System:

[SUSE]

Published:

30 November 2020

Protect yourself against future threats.

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.4217
                     Security update for LibVNCServer
                             30 November 2020

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           LibVNCServer
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-25708  

Reference:         ESB-2020.4208
                   ESB-2020.4053

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2020/suse-su-202014549-1

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SUSE Security Update: Security update for LibVNCServer

______________________________________________________________________________

Announcement ID:   SUSE-SU-2020:14549-1
Rating:            important
References:        #1178682
Cross-References:  CVE-2020-25708
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
______________________________________________________________________________

An update that fixes one vulnerability is now available.

Description:

This update for LibVNCServer fixes the following issues:

  o CVE-2020-25708 [bsc#1178682], libvncserver/rfbserver.c has a divide by zero
    which could result in DoS

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:

  o SUSE Linux Enterprise Server 11-SP4-LTSS:
    zypper in -t patch slessp4-LibVNCServer-14549=1
  o SUSE Linux Enterprise Point of Sale 11-SP3:
    zypper in -t patch sleposp3-LibVNCServer-14549=1
  o SUSE Linux Enterprise Debuginfo 11-SP4:
    zypper in -t patch dbgsp4-LibVNCServer-14549=1
  o SUSE Linux Enterprise Debuginfo 11-SP3:
    zypper in -t patch dbgsp3-LibVNCServer-14549=1

Package List:

  o SUSE Linux Enterprise Server 11-SP4-LTSS (i586 ppc64 s390x x86_64):
       LibVNCServer-0.9.1-160.22.1
  o SUSE Linux Enterprise Point of Sale 11-SP3 (i586):
       LibVNCServer-0.9.1-160.22.1
  o SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ppc64 s390x x86_64):
       LibVNCServer-debuginfo-0.9.1-160.22.1
       LibVNCServer-debugsource-0.9.1-160.22.1
  o SUSE Linux Enterprise Debuginfo 11-SP3 (i586 s390x x86_64):
       LibVNCServer-debuginfo-0.9.1-160.22.1
       LibVNCServer-debugsource-0.9.1-160.22.1


References:

  o https://www.suse.com/security/cve/CVE-2020-25708.html
  o https://bugzilla.suse.com/1178682

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===========================================================================
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