Security update for LibVNCServer

SUSE Security Update: Security update for LibVNCServer
Announcement ID: SUSE-SU-2019:13952-1
Rating: critical
References: #1123823 #1123828 #1123832
Cross-References: CVE-2018-20748 CVE-2018-20749 CVE-2018-20750
Affected Products:
  • SUSE Linux Enterprise Software Development Kit 11-SP4
  • SUSE Linux Enterprise Server 11-SP4
  • SUSE Linux Enterprise Point of Sale 11-SP3
  • SUSE Linux Enterprise Debuginfo 11-SP4
  • SUSE Linux Enterprise Debuginfo 11-SP3

An update that fixes three vulnerabilities is now available.

Description:

This update for LibVNCServer fixes the following issues:
Security issues fixed:

  • CVE-2018-20749: Fixed a heap out of bounds write vulnerability in rfbserver.c (bsc#1123828)
  • CVE-2018-20750: Fixed a heap out of bounds write vulnerability in rfbserver.c (bsc#1123832)
  • CVE-2018-20748: Fixed multiple heap out-of-bound writes in VNC client code (bsc#1123823)

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 Software Development Kit 11-SP4:
    zypper in -t patch sdksp4-LibVNCServer-13952=1
  • SUSE Linux Enterprise Server 11-SP4:
    zypper in -t patch slessp4-LibVNCServer-13952=1
  • SUSE Linux Enterprise Point of Sale 11-SP3:
    zypper in -t patch sleposp3-LibVNCServer-13952=1
  • SUSE Linux Enterprise Debuginfo 11-SP4:
    zypper in -t patch dbgsp4-LibVNCServer-13952=1
  • SUSE Linux Enterprise Debuginfo 11-SP3:
    zypper in -t patch dbgsp3-LibVNCServer-13952=1

Package List:

  • SUSE Linux Enterprise Software Development Kit 11-SP4 (i586 ia64 ppc64 s390x x86_64):
    • LibVNCServer-devel-0.9.1-160.9.1
  • SUSE Linux Enterprise Server 11-SP4 (i586 ia64 ppc64 s390x x86_64):
    • LibVNCServer-0.9.1-160.9.1
  • SUSE Linux Enterprise Point of Sale 11-SP3 (i586):
    • LibVNCServer-0.9.1-160.9.1
  • SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ia64 ppc64 s390x x86_64):
    • LibVNCServer-debuginfo-0.9.1-160.9.1
    • LibVNCServer-debugsource-0.9.1-160.9.1
  • SUSE Linux Enterprise Debuginfo 11-SP3 (i586 s390x x86_64):
    • LibVNCServer-debuginfo-0.9.1-160.9.1
    • LibVNCServer-debugsource-0.9.1-160.9.1

References: