SUSE-SU-2017:1557-1: moderate: Security update for libxml2

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

   SUSE Security Update: Security update for libxml2
______________________________________________________________________________

Announcement ID:    SUSE-SU-2017:1557-1
Rating:             moderate
References:         #1010675 #1013930 #1039063 #1039064 #1039066 
                    #1039069 #1039661 
Cross-References:   CVE-2016-9318 CVE-2017-9047 CVE-2017-9048
                    CVE-2017-9049 CVE-2017-9050
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 solves 5 vulnerabilities and has two fixes
   is now available.

Description:


   This update for libxml2 fixes the following issues:

   Security issues fixed:

   - CVE-2017-9050: heap-based buffer overflow (xmlDictAddString func)
     [bsc#1039069, bsc#1039661]
   - CVE-2017-9049: heap-based buffer overflow (xmlDictComputeFastKey func)
     [bsc#1039066]
   - CVE-2017-9048: stack overflow vulnerability (xmlSnprintfElementContent
     func) [bsc#1039063]
   - CVE-2017-9047: stack overflow vulnerability (xmlSnprintfElementContent
     func) [bsc#1039064]

   A clarification for the previously released update: For CVE-2016-9318 we
   decided not to ship a fix since it can break existing setups. Please take
   appropriate actions if you parse untrusted XML files and use the new
   -noxxe flag if possible (bnc#1010675, bnc#1013930).


Patch Instructions:

   To install this SUSE Security Update use YaST online_update.
   Alternatively you can run the command listed for your product:

   - SUSE Linux Enterprise Software Development Kit 11-SP4:

      zypper in -t patch sdksp4-libxml2-13143=1

   - SUSE Linux Enterprise Server 11-SP4:

      zypper in -t patch slessp4-libxml2-13143=1

   - SUSE Linux Enterprise Server 11-SP3-LTSS:

      zypper in -t patch slessp3-libxml2-13143=1

   - SUSE Linux Enterprise Point of Sale 11-SP3:

      zypper in -t patch sleposp3-libxml2-13143=1

   - SUSE Linux Enterprise Debuginfo 11-SP4:

      zypper in -t patch dbgsp4-libxml2-13143=1

   - SUSE Linux Enterprise Debuginfo 11-SP3:

      zypper in -t patch dbgsp3-libxml2-13143=1

   To bring your system up-to-date, use "zypper patch".


Package List:

   - SUSE Linux Enterprise Software Development Kit 11-SP4 (i586 ia64 ppc64 s390x x86_64):

      libxml2-devel-2.7.6-0.69.1

   - SUSE Linux Enterprise Software Development Kit 11-SP4 (ppc64 s390x x86_64):

      libxml2-devel-32bit-2.7.6-0.69.1

   - SUSE Linux Enterprise Server 11-SP4 (i586 ia64 ppc64 s390x x86_64):

      libxml2-2.7.6-0.69.1
      libxml2-doc-2.7.6-0.69.1
      libxml2-python-2.7.6-0.69.3

   - SUSE Linux Enterprise Server 11-SP4 (ppc64 s390x x86_64):

      libxml2-32bit-2.7.6-0.69.1

   - SUSE Linux Enterprise Server 11-SP4 (ia64):

      libxml2-x86-2.7.6-0.69.1

   - SUSE Linux Enterprise Server 11-SP3-LTSS (i586 s390x x86_64):

      libxml2-2.7.6-0.69.1
      libxml2-doc-2.7.6-0.69.1
      libxml2-python-2.7.6-0.69.3

   - SUSE Linux Enterprise Server 11-SP3-LTSS (s390x x86_64):

      libxml2-32bit-2.7.6-0.69.1

   - SUSE Linux Enterprise Point of Sale 11-SP3 (i586):

      libxml2-2.7.6-0.69.1
      libxml2-doc-2.7.6-0.69.1
      libxml2-python-2.7.6-0.69.3

   - SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ia64 ppc64 s390x x86_64):

      libxml2-debuginfo-2.7.6-0.69.1
      libxml2-debugsource-2.7.6-0.69.1
      libxml2-python-debuginfo-2.7.6-0.69.3
      libxml2-python-debugsource-2.7.6-0.69.3

   - SUSE Linux Enterprise Debuginfo 11-SP3 (i586 s390x x86_64):

      libxml2-debuginfo-2.7.6-0.69.1
      libxml2-debugsource-2.7.6-0.69.1
      libxml2-python-debuginfo-2.7.6-0.69.3
      libxml2-python-debugsource-2.7.6-0.69.3


References:

   https://www.suse.com/security/cve/CVE-2016-9318.html
   https://www.suse.com/security/cve/CVE-2017-9047.html
   https://www.suse.com/security/cve/CVE-2017-9048.html
   https://www.suse.com/security/cve/CVE-2017-9049.html
   https://www.suse.com/security/cve/CVE-2017-9050.html
   https://bugzilla.suse.com/1010675
   https://bugzilla.suse.com/1013930
   https://bugzilla.suse.com/1039063
   https://bugzilla.suse.com/1039064
   https://bugzilla.suse.com/1039066
   https://bugzilla.suse.com/1039069
   https://bugzilla.suse.com/1039661