SUSE-SU-2018:3080-1: moderate: Security update for libxml2

[sle-security-updates at lists.suse.com]

   SUSE Security Update: Security update for libxml2
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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
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   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:

   https://www.suse.com/security/cve/CVE-2018-14404.html
   https://www.suse.com/security/cve/CVE-2018-14567.html
   https://www.suse.com/security/cve/CVE-2018-9251.html
   https://bugzilla.suse.com/1088279
   https://bugzilla.suse.com/1102046
   https://bugzilla.suse.com/1105166