Security update for LibVNCServer

SUSE Security Update: Security update for LibVNCServer
Announcement ID: SUSE-SU-2019:13927-1
Rating: important
References: #1120114 #1120115 #1120116 #1120117 #1120118 #1120120 #1120121 #1120122
Cross-References: CVE-2018-15126 CVE-2018-15127 CVE-2018-20019 CVE-2018-20020 CVE-2018-20021 CVE-2018-20022 CVE-2018-20024 CVE-2018-6307
Affected Products:
  • SUSE Linux Enterprise Software Development Kit 11-SP4
  • SUSE Linux Enterprise Server 11-SP4
  • SUSE Linux Enterprise Server 11-SP3-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 8 vulnerabilities is now available.

Description:

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

  • CVE-2018-15126: Fixed use-after-free in file transfer extension (bsc#1120114)
  • CVE-2018-6307: Fixed use-after-free in file transfer extension server code (bsc#1120115)
  • CVE-2018-20020: Fixed heap out-of-bound write inside structure in VNC client code (bsc#1120116)
  • CVE-2018-15127: Fixed heap out-of-bounds write in rfbserver.c (bsc#1120117)
  • CVE-2018-20019: Fixed multiple heap out-of-bound writes in VNC client code (bsc#1120118)
  • CVE-2018-20022: Fixed information disclosure through improper initialization in VNC client code (bsc#1120120)
  • CVE-2018-20024: Fixed NULL pointer dereference in VNC client code (bsc#1120121)
  • CVE-2018-20021: Fixed infinite loop in VNC client code (bsc#1120122)

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-13927=1
  • SUSE Linux Enterprise Server 11-SP4:
    zypper in -t patch slessp4-LibVNCServer-13927=1
  • SUSE Linux Enterprise Server 11-SP3-LTSS:
    zypper in -t patch slessp3-LibVNCServer-13927=1
  • SUSE Linux Enterprise Point of Sale 11-SP3:
    zypper in -t patch sleposp3-LibVNCServer-13927=1
  • SUSE Linux Enterprise Debuginfo 11-SP4:
    zypper in -t patch dbgsp4-LibVNCServer-13927=1
  • SUSE Linux Enterprise Debuginfo 11-SP3:
    zypper in -t patch dbgsp3-LibVNCServer-13927=1

Package List:

  • SUSE Linux Enterprise Software Development Kit 11-SP4 (i586 ia64 ppc64 s390x x86_64):
    • LibVNCServer-devel-0.9.1-160.6.1
  • SUSE Linux Enterprise Server 11-SP4 (i586 ia64 ppc64 s390x x86_64):
    • LibVNCServer-0.9.1-160.6.1
  • SUSE Linux Enterprise Server 11-SP3-LTSS (i586 s390x x86_64):
    • LibVNCServer-0.9.1-160.6.1
  • SUSE Linux Enterprise Point of Sale 11-SP3 (i586):
    • LibVNCServer-0.9.1-160.6.1
  • SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ia64 ppc64 s390x x86_64):
    • LibVNCServer-debuginfo-0.9.1-160.6.1
    • LibVNCServer-debugsource-0.9.1-160.6.1
  • SUSE Linux Enterprise Debuginfo 11-SP3 (i586 s390x x86_64):
    • LibVNCServer-debuginfo-0.9.1-160.6.1
    • LibVNCServer-debugsource-0.9.1-160.6.1

References: