Security update for xorg-x11-libX11

SUSE Security Update: Security update for xorg-x11-libX11
Announcement ID: SUSE-SU-2018:2934-1
Rating: moderate
References: #1102062 #1102068 #1102073
Cross-References: CVE-2018-14598 CVE-2018-14599 CVE-2018-14600
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 three vulnerabilities is now available.

Description:

This update for xorg-x11-libX11 fixes the following issues:

  • CVE-2018-14599: The function XListExtensions was vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspecified other impact (bsc#1102062)
  • CVE-2018-14600: The function XListExtensions interpreted a variable as signed instead of unsigned, resulting in an out-of-bounds write (of up to 128 bytes), leading to DoS or remote code execution (bsc#1102068)
  • CVE-2018-14598: A malicious server could have sent a reply in which the first string overflows, causing a variable to be set to NULL that will be freed later on, leading to DoS (segmentation fault) (bsc#1102073)

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-xorg-x11-libX11-13801=1
  • SUSE Linux Enterprise Server 11-SP4:
    zypper in -t patch slessp4-xorg-x11-libX11-13801=1
  • SUSE Linux Enterprise Server 11-SP3-LTSS:
    zypper in -t patch slessp3-xorg-x11-libX11-13801=1
  • SUSE Linux Enterprise Point of Sale 11-SP3:
    zypper in -t patch sleposp3-xorg-x11-libX11-13801=1
  • SUSE Linux Enterprise Debuginfo 11-SP4:
    zypper in -t patch dbgsp4-xorg-x11-libX11-13801=1
  • SUSE Linux Enterprise Debuginfo 11-SP3:
    zypper in -t patch dbgsp3-xorg-x11-libX11-13801=1

Package List:

  • SUSE Linux Enterprise Software Development Kit 11-SP4 (i586 ia64 ppc64 s390x x86_64):
    • xorg-x11-libX11-devel-7.4-5.11.72.9.1
  • SUSE Linux Enterprise Software Development Kit 11-SP4 (ppc64 s390x x86_64):
    • xorg-x11-libX11-devel-32bit-7.4-5.11.72.9.1
  • SUSE Linux Enterprise Server 11-SP4 (i586 ia64 ppc64 s390x x86_64):
    • xorg-x11-libX11-7.4-5.11.72.9.1
  • SUSE Linux Enterprise Server 11-SP4 (ppc64 s390x x86_64):
    • xorg-x11-libX11-32bit-7.4-5.11.72.9.1
  • SUSE Linux Enterprise Server 11-SP4 (ia64):
    • xorg-x11-libX11-x86-7.4-5.11.72.9.1
  • SUSE Linux Enterprise Server 11-SP3-LTSS (i586 s390x x86_64):
    • xorg-x11-libX11-7.4-5.11.72.9.1
  • SUSE Linux Enterprise Server 11-SP3-LTSS (s390x x86_64):
    • xorg-x11-libX11-32bit-7.4-5.11.72.9.1
  • SUSE Linux Enterprise Point of Sale 11-SP3 (i586):
    • xorg-x11-libX11-7.4-5.11.72.9.1
  • SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ia64 ppc64 s390x x86_64):
    • xorg-x11-libX11-debuginfo-7.4-5.11.72.9.1
    • xorg-x11-libX11-debugsource-7.4-5.11.72.9.1
  • SUSE Linux Enterprise Debuginfo 11-SP3 (i586 s390x x86_64):
    • xorg-x11-libX11-debuginfo-7.4-5.11.72.9.1
    • xorg-x11-libX11-debugsource-7.4-5.11.72.9.1

References: