Security update for libxml2

SUSE Security Update: Security update for libxml2
Announcement ID: SUSE-SU-2018:3081-1
Rating: moderate
References: #1088279 #1088601 #1102046 #1105166
Cross-References: CVE-2017-18258 CVE-2018-14404 CVE-2018-14567 CVE-2018-9251
Affected Products:
  • SUSE Linux Enterprise Software Development Kit 12-SP3
  • SUSE Linux Enterprise Server 12-SP3
  • SUSE Linux Enterprise Desktop 12-SP3
  • SUSE CaaS Platform ALL
  • SUSE CaaS Platform 3.0
  • OpenStack Cloud Magnum Orchestration 7

An update that fixes four vulnerabilities is now available.

Description:

This update for libxml2 fixes the following security issues:

  • CVE-2018-9251: The xz_decomp function allowed remote attackers to cause a denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint (bsc#1088279).
  • CVE-2018-14567: Prevent denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint (bsc#1105166).
  • CVE-2018-14404: Prevent NULL pointer dereference in the xmlXPathCompOpEval() function when parsing an invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case leading to a denial of service attack (bsc#1102046).
  • CVE-2017-18258: The xz_head function allowed remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality did not restrict memory usage to what is required for a legitimate file (bsc#1088601).

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 12-SP3:
    zypper in -t patch SUSE-SLE-SDK-12-SP3-2018-2181=1
  • SUSE Linux Enterprise Server 12-SP3:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-2181=1
  • SUSE Linux Enterprise Desktop 12-SP3:
    zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2018-2181=1
  • SUSE CaaS Platform ALL:
    To install this update, use the SUSE CaaS Platform Velum dashboard. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way.
  • SUSE CaaS Platform 3.0:
    To install this update, use the SUSE CaaS Platform Velum dashboard. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way.
  • OpenStack Cloud Magnum Orchestration 7:
    zypper in -t patch SUSE-OpenStack-Cloud-Magnum-Orchestration-7-2018-2181=1

Package List:

  • SUSE Linux Enterprise Software Development Kit 12-SP3 (aarch64 ppc64le s390x x86_64):
    • libxml2-debugsource-2.9.4-46.15.1
    • libxml2-devel-2.9.4-46.15.1
  • SUSE Linux Enterprise Server 12-SP3 (aarch64 ppc64le s390x x86_64):
    • libxml2-2-2.9.4-46.15.1
    • libxml2-2-debuginfo-2.9.4-46.15.1
    • libxml2-debugsource-2.9.4-46.15.1
    • libxml2-tools-2.9.4-46.15.1
    • libxml2-tools-debuginfo-2.9.4-46.15.1
    • python-libxml2-2.9.4-46.15.1
    • python-libxml2-debuginfo-2.9.4-46.15.1
    • python-libxml2-debugsource-2.9.4-46.15.1
  • SUSE Linux Enterprise Server 12-SP3 (s390x x86_64):
    • libxml2-2-32bit-2.9.4-46.15.1
    • libxml2-2-debuginfo-32bit-2.9.4-46.15.1
  • SUSE Linux Enterprise Server 12-SP3 (noarch):
    • libxml2-doc-2.9.4-46.15.1
  • SUSE Linux Enterprise Desktop 12-SP3 (x86_64):
    • libxml2-2-2.9.4-46.15.1
    • libxml2-2-32bit-2.9.4-46.15.1
    • libxml2-2-debuginfo-2.9.4-46.15.1
    • libxml2-2-debuginfo-32bit-2.9.4-46.15.1
    • libxml2-debugsource-2.9.4-46.15.1
    • libxml2-tools-2.9.4-46.15.1
    • libxml2-tools-debuginfo-2.9.4-46.15.1
    • python-libxml2-2.9.4-46.15.1
    • python-libxml2-debuginfo-2.9.4-46.15.1
    • python-libxml2-debugsource-2.9.4-46.15.1
  • SUSE CaaS Platform ALL (x86_64):
    • libxml2-2-2.9.4-46.15.1
    • libxml2-2-debuginfo-2.9.4-46.15.1
    • libxml2-debugsource-2.9.4-46.15.1
    • libxml2-tools-2.9.4-46.15.1
    • libxml2-tools-debuginfo-2.9.4-46.15.1
  • SUSE CaaS Platform 3.0 (x86_64):
    • libxml2-2-2.9.4-46.15.1
    • libxml2-2-debuginfo-2.9.4-46.15.1
    • libxml2-debugsource-2.9.4-46.15.1
    • libxml2-tools-2.9.4-46.15.1
    • libxml2-tools-debuginfo-2.9.4-46.15.1
  • OpenStack Cloud Magnum Orchestration 7 (x86_64):
    • libxml2-2-2.9.4-46.15.1
    • libxml2-2-debuginfo-2.9.4-46.15.1
    • libxml2-debugsource-2.9.4-46.15.1

References: