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===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2012.1123
Important: libxml2 security update
30 November 2012
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: libxml2
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 5
Red Hat Enterprise Linux WS/Desktop 5
Red Hat Enterprise Linux Server 6
Red Hat Enterprise Linux WS/Desktop 6
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2012-5134
Reference: ASB-2012.0164
Original Bulletin:
https://rhn.redhat.com/errata/RHSA-2012-1512.html
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Red Hat Security Advisory
Synopsis: Important: libxml2 security update
Advisory ID: RHSA-2012:1512-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2012-1512.html
Issue date: 2012-11-29
CVE Names: CVE-2012-5134
=====================================================================
1. Summary:
Updated libxml2 packages that fix one security issue are now available for
Red Hat Enterprise Linux 5 and 6.
The Red Hat Security Response Team has rated this update as having
important security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from the
CVE link in the References section.
2. Relevant releases/architectures:
RHEL Desktop Workstation (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64
3. Description:
The libxml2 library is a development toolbox providing the implementation
of various XML standards.
A heap-based buffer underflow flaw was found in the way libxml2 decoded
certain entities. A remote attacker could provide a specially-crafted XML
file that, when opened in an application linked against libxml2, would
cause the application to crash or, potentially, execute arbitrary code with
the privileges of the user running the application. (CVE-2012-5134)
All users of libxml2 are advised to upgrade to these updated packages,
which contain a backported patch to correct this issue. The desktop must be
restarted (log out, then log back in) for this update to take effect.
4. Solution:
Before applying this update, make sure all previously-released errata
relevant to your system have been applied.
This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/knowledge/articles/11258
5. Bugs fixed (http://bugzilla.redhat.com/):
880466 - CVE-2012-5134 libxml2: Heap-buffer-underflow in xmlParseAttValueComplex
6. Package List:
Red Hat Enterprise Linux Desktop (v. 5 client):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/libxml2-2.6.26-2.1.15.el5_8.6.src.rpm
i386:
libxml2-2.6.26-2.1.15.el5_8.6.i386.rpm
libxml2-debuginfo-2.6.26-2.1.15.el5_8.6.i386.rpm
libxml2-python-2.6.26-2.1.15.el5_8.6.i386.rpm
x86_64:
libxml2-2.6.26-2.1.15.el5_8.6.i386.rpm
libxml2-2.6.26-2.1.15.el5_8.6.x86_64.rpm
libxml2-debuginfo-2.6.26-2.1.15.el5_8.6.i386.rpm
libxml2-debuginfo-2.6.26-2.1.15.el5_8.6.x86_64.rpm
libxml2-python-2.6.26-2.1.15.el5_8.6.x86_64.rpm
RHEL Desktop Workstation (v. 5 client):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/libxml2-2.6.26-2.1.15.el5_8.6.src.rpm
i386:
libxml2-debuginfo-2.6.26-2.1.15.el5_8.6.i386.rpm
libxml2-devel-2.6.26-2.1.15.el5_8.6.i386.rpm
x86_64:
libxml2-debuginfo-2.6.26-2.1.15.el5_8.6.i386.rpm
libxml2-debuginfo-2.6.26-2.1.15.el5_8.6.x86_64.rpm
libxml2-devel-2.6.26-2.1.15.el5_8.6.i386.rpm
libxml2-devel-2.6.26-2.1.15.el5_8.6.x86_64.rpm
Red Hat Enterprise Linux (v. 5 server):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/libxml2-2.6.26-2.1.15.el5_8.6.src.rpm
i386:
libxml2-2.6.26-2.1.15.el5_8.6.i386.rpm
libxml2-debuginfo-2.6.26-2.1.15.el5_8.6.i386.rpm
libxml2-devel-2.6.26-2.1.15.el5_8.6.i386.rpm
libxml2-python-2.6.26-2.1.15.el5_8.6.i386.rpm
ia64:
libxml2-2.6.26-2.1.15.el5_8.6.i386.rpm
libxml2-2.6.26-2.1.15.el5_8.6.ia64.rpm
libxml2-debuginfo-2.6.26-2.1.15.el5_8.6.i386.rpm
libxml2-debuginfo-2.6.26-2.1.15.el5_8.6.ia64.rpm
libxml2-devel-2.6.26-2.1.15.el5_8.6.ia64.rpm
libxml2-python-2.6.26-2.1.15.el5_8.6.ia64.rpm
ppc:
libxml2-2.6.26-2.1.15.el5_8.6.ppc.rpm
libxml2-2.6.26-2.1.15.el5_8.6.ppc64.rpm
libxml2-debuginfo-2.6.26-2.1.15.el5_8.6.ppc.rpm
libxml2-debuginfo-2.6.26-2.1.15.el5_8.6.ppc64.rpm
libxml2-devel-2.6.26-2.1.15.el5_8.6.ppc.rpm
libxml2-devel-2.6.26-2.1.15.el5_8.6.ppc64.rpm
libxml2-python-2.6.26-2.1.15.el5_8.6.ppc.rpm
s390x:
libxml2-2.6.26-2.1.15.el5_8.6.s390.rpm
libxml2-2.6.26-2.1.15.el5_8.6.s390x.rpm
libxml2-debuginfo-2.6.26-2.1.15.el5_8.6.s390.rpm
libxml2-debuginfo-2.6.26-2.1.15.el5_8.6.s390x.rpm
libxml2-devel-2.6.26-2.1.15.el5_8.6.s390.rpm
libxml2-devel-2.6.26-2.1.15.el5_8.6.s390x.rpm
libxml2-python-2.6.26-2.1.15.el5_8.6.s390x.rpm
x86_64:
libxml2-2.6.26-2.1.15.el5_8.6.i386.rpm
libxml2-2.6.26-2.1.15.el5_8.6.x86_64.rpm
libxml2-debuginfo-2.6.26-2.1.15.el5_8.6.i386.rpm
libxml2-debuginfo-2.6.26-2.1.15.el5_8.6.x86_64.rpm
libxml2-devel-2.6.26-2.1.15.el5_8.6.i386.rpm
libxml2-devel-2.6.26-2.1.15.el5_8.6.x86_64.rpm
libxml2-python-2.6.26-2.1.15.el5_8.6.x86_64.rpm
Red Hat Enterprise Linux Desktop (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/libxml2-2.7.6-8.el6_3.4.src.rpm
i386:
libxml2-2.7.6-8.el6_3.4.i686.rpm
libxml2-debuginfo-2.7.6-8.el6_3.4.i686.rpm
libxml2-python-2.7.6-8.el6_3.4.i686.rpm
x86_64:
libxml2-2.7.6-8.el6_3.4.i686.rpm
libxml2-2.7.6-8.el6_3.4.x86_64.rpm
libxml2-debuginfo-2.7.6-8.el6_3.4.i686.rpm
libxml2-debuginfo-2.7.6-8.el6_3.4.x86_64.rpm
libxml2-python-2.7.6-8.el6_3.4.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/libxml2-2.7.6-8.el6_3.4.src.rpm
i386:
libxml2-debuginfo-2.7.6-8.el6_3.4.i686.rpm
libxml2-devel-2.7.6-8.el6_3.4.i686.rpm
libxml2-static-2.7.6-8.el6_3.4.i686.rpm
x86_64:
libxml2-debuginfo-2.7.6-8.el6_3.4.i686.rpm
libxml2-debuginfo-2.7.6-8.el6_3.4.x86_64.rpm
libxml2-devel-2.7.6-8.el6_3.4.i686.rpm
libxml2-devel-2.7.6-8.el6_3.4.x86_64.rpm
libxml2-static-2.7.6-8.el6_3.4.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/libxml2-2.7.6-8.el6_3.4.src.rpm
x86_64:
libxml2-2.7.6-8.el6_3.4.i686.rpm
libxml2-2.7.6-8.el6_3.4.x86_64.rpm
libxml2-debuginfo-2.7.6-8.el6_3.4.i686.rpm
libxml2-debuginfo-2.7.6-8.el6_3.4.x86_64.rpm
libxml2-python-2.7.6-8.el6_3.4.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/libxml2-2.7.6-8.el6_3.4.src.rpm
x86_64:
libxml2-debuginfo-2.7.6-8.el6_3.4.i686.rpm
libxml2-debuginfo-2.7.6-8.el6_3.4.x86_64.rpm
libxml2-devel-2.7.6-8.el6_3.4.i686.rpm
libxml2-devel-2.7.6-8.el6_3.4.x86_64.rpm
libxml2-static-2.7.6-8.el6_3.4.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/libxml2-2.7.6-8.el6_3.4.src.rpm
i386:
libxml2-2.7.6-8.el6_3.4.i686.rpm
libxml2-debuginfo-2.7.6-8.el6_3.4.i686.rpm
libxml2-devel-2.7.6-8.el6_3.4.i686.rpm
libxml2-python-2.7.6-8.el6_3.4.i686.rpm
ppc64:
libxml2-2.7.6-8.el6_3.4.ppc.rpm
libxml2-2.7.6-8.el6_3.4.ppc64.rpm
libxml2-debuginfo-2.7.6-8.el6_3.4.ppc.rpm
libxml2-debuginfo-2.7.6-8.el6_3.4.ppc64.rpm
libxml2-devel-2.7.6-8.el6_3.4.ppc.rpm
libxml2-devel-2.7.6-8.el6_3.4.ppc64.rpm
libxml2-python-2.7.6-8.el6_3.4.ppc64.rpm
s390x:
libxml2-2.7.6-8.el6_3.4.s390.rpm
libxml2-2.7.6-8.el6_3.4.s390x.rpm
libxml2-debuginfo-2.7.6-8.el6_3.4.s390.rpm
libxml2-debuginfo-2.7.6-8.el6_3.4.s390x.rpm
libxml2-devel-2.7.6-8.el6_3.4.s390.rpm
libxml2-devel-2.7.6-8.el6_3.4.s390x.rpm
libxml2-python-2.7.6-8.el6_3.4.s390x.rpm
x86_64:
libxml2-2.7.6-8.el6_3.4.i686.rpm
libxml2-2.7.6-8.el6_3.4.x86_64.rpm
libxml2-debuginfo-2.7.6-8.el6_3.4.i686.rpm
libxml2-debuginfo-2.7.6-8.el6_3.4.x86_64.rpm
libxml2-devel-2.7.6-8.el6_3.4.i686.rpm
libxml2-devel-2.7.6-8.el6_3.4.x86_64.rpm
libxml2-python-2.7.6-8.el6_3.4.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/libxml2-2.7.6-8.el6_3.4.src.rpm
i386:
libxml2-debuginfo-2.7.6-8.el6_3.4.i686.rpm
libxml2-static-2.7.6-8.el6_3.4.i686.rpm
ppc64:
libxml2-debuginfo-2.7.6-8.el6_3.4.ppc64.rpm
libxml2-static-2.7.6-8.el6_3.4.ppc64.rpm
s390x:
libxml2-debuginfo-2.7.6-8.el6_3.4.s390x.rpm
libxml2-static-2.7.6-8.el6_3.4.s390x.rpm
x86_64:
libxml2-debuginfo-2.7.6-8.el6_3.4.x86_64.rpm
libxml2-static-2.7.6-8.el6_3.4.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/libxml2-2.7.6-8.el6_3.4.src.rpm
i386:
libxml2-2.7.6-8.el6_3.4.i686.rpm
libxml2-debuginfo-2.7.6-8.el6_3.4.i686.rpm
libxml2-devel-2.7.6-8.el6_3.4.i686.rpm
libxml2-python-2.7.6-8.el6_3.4.i686.rpm
x86_64:
libxml2-2.7.6-8.el6_3.4.i686.rpm
libxml2-2.7.6-8.el6_3.4.x86_64.rpm
libxml2-debuginfo-2.7.6-8.el6_3.4.i686.rpm
libxml2-debuginfo-2.7.6-8.el6_3.4.x86_64.rpm
libxml2-devel-2.7.6-8.el6_3.4.i686.rpm
libxml2-devel-2.7.6-8.el6_3.4.x86_64.rpm
libxml2-python-2.7.6-8.el6_3.4.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/libxml2-2.7.6-8.el6_3.4.src.rpm
i386:
libxml2-debuginfo-2.7.6-8.el6_3.4.i686.rpm
libxml2-static-2.7.6-8.el6_3.4.i686.rpm
x86_64:
libxml2-debuginfo-2.7.6-8.el6_3.4.x86_64.rpm
libxml2-static-2.7.6-8.el6_3.4.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package
7. References:
https://www.redhat.com/security/data/cve/CVE-2012-5134.html
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2012 Red Hat, Inc.
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