Security update for libxml2

SUSE Security Update: Security update for libxml2
Announcement ID: SUSE-SU-2018:3080-1
Rating: moderate
References: #1088279 #1102046 #1105166
Cross-References: CVE-2018-14404 CVE-2018-14567 CVE-2018-9251
Affected Products:
  • SUSE Linux Enterprise Module for Basesystem 15

An update that fixes three 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)

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 Module for Basesystem 15:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-2018-2182=1

Package List:

  • SUSE Linux Enterprise Module for Basesystem 15 (aarch64 ppc64le s390x x86_64):
    • libxml2-2-2.9.7-3.3.1
    • libxml2-2-debuginfo-2.9.7-3.3.1
    • libxml2-debugsource-2.9.7-3.3.1
    • libxml2-devel-2.9.7-3.3.1
    • libxml2-tools-2.9.7-3.3.1
    • libxml2-tools-debuginfo-2.9.7-3.3.1
    • python-libxml2-python-debugsource-2.9.7-3.3.1
    • python2-libxml2-python-2.9.7-3.3.1
    • python2-libxml2-python-debuginfo-2.9.7-3.3.1
    • python3-libxml2-python-2.9.7-3.3.1
    • python3-libxml2-python-debuginfo-2.9.7-3.3.1
  • SUSE Linux Enterprise Module for Basesystem 15 (x86_64):
    • libxml2-2-32bit-2.9.7-3.3.1
    • libxml2-2-32bit-debuginfo-2.9.7-3.3.1

References: