Security update for libxml2

Announcement ID: SUSE-SU-2018:3080-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2018-14404 ( SUSE ): 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • CVE-2018-14404 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2018-14567 ( SUSE ): 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • CVE-2018-14567 ( NVD ): 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • CVE-2018-9251 ( SUSE ): 3.3 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  • CVE-2018-9251 ( NVD ): 5.3 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Products:
  • Basesystem Module 15
  • SUSE Linux Enterprise Desktop 15
  • SUSE Linux Enterprise High Performance Computing 15
  • SUSE Linux Enterprise Server 15
  • SUSE Linux Enterprise Server for SAP Applications 15

An update that solves three vulnerabilities can now be installed.

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 update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

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

Package List:

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

References: