Exploit the possiblities

Red Hat Security Advisory 2013-1869-01

Red Hat Security Advisory 2013-1869-01
Posted Dec 22, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-1869-01 - Pixman is a pixel manipulation library for the X Window System and Cairo. An integer overflow, which led to a heap-based buffer overflow, was found in the way pixman handled trapezoids. If a remote attacker could trick an application using pixman into rendering a trapezoid shape with specially crafted coordinates, it could cause the application to crash or, possibly, execute arbitrary code with the privileges of the user running the application. Users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. All applications using pixman must be restarted for this update to take effect.

tags | advisory, remote, overflow, arbitrary
systems | linux, redhat
advisories | CVE-2013-6425
MD5 | 1b9fca88f19613a0754509a6535adc27

Red Hat Security Advisory 2013-1869-01

Change Mirror Download
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=====================================================================
Red Hat Security Advisory

Synopsis: Important: pixman security update
Advisory ID: RHSA-2013:1869-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2013-1869.html
Issue date: 2013-12-20
CVE Names: CVE-2013-6425
=====================================================================

1. Summary:

Updated pixman 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 Optional Productivity Applications (v. 5 server) - i386, 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 Workstation (v. 6) - i386, x86_64

3. Description:

Pixman is a pixel manipulation library for the X Window System and Cairo.

An integer overflow, which led to a heap-based buffer overflow, was found
in the way pixman handled trapezoids. If a remote attacker could trick an
application using pixman into rendering a trapezoid shape with specially
crafted coordinates, it could cause the application to crash or, possibly,
execute arbitrary code with the privileges of the user running the
application. (CVE-2013-6425)

Users are advised to upgrade to these updated packages, which contain a
backported patch to correct this issue. All applications using pixman
must be restarted 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 (https://bugzilla.redhat.com/):

1037975 - CVE-2013-6425 pixman: integer underflow when handling trapezoids

6. Package List:

Red Hat Enterprise Linux Desktop (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/pixman-0.22.0-2.2.el5_10.src.rpm

i386:
pixman-0.22.0-2.2.el5_10.i386.rpm
pixman-debuginfo-0.22.0-2.2.el5_10.i386.rpm
pixman-devel-0.22.0-2.2.el5_10.i386.rpm

x86_64:
pixman-0.22.0-2.2.el5_10.i386.rpm
pixman-0.22.0-2.2.el5_10.x86_64.rpm
pixman-debuginfo-0.22.0-2.2.el5_10.i386.rpm
pixman-debuginfo-0.22.0-2.2.el5_10.x86_64.rpm
pixman-devel-0.22.0-2.2.el5_10.i386.rpm
pixman-devel-0.22.0-2.2.el5_10.x86_64.rpm

RHEL Optional Productivity Applications (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/pixman-0.22.0-2.2.el5_10.src.rpm

i386:
pixman-0.22.0-2.2.el5_10.i386.rpm
pixman-debuginfo-0.22.0-2.2.el5_10.i386.rpm
pixman-devel-0.22.0-2.2.el5_10.i386.rpm

x86_64:
pixman-0.22.0-2.2.el5_10.x86_64.rpm
pixman-debuginfo-0.22.0-2.2.el5_10.x86_64.rpm
pixman-devel-0.22.0-2.2.el5_10.x86_64.rpm

Red Hat Enterprise Linux Desktop (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/pixman-0.26.2-5.1.el6_5.src.rpm

i386:
pixman-0.26.2-5.1.el6_5.i686.rpm
pixman-debuginfo-0.26.2-5.1.el6_5.i686.rpm

x86_64:
pixman-0.26.2-5.1.el6_5.i686.rpm
pixman-0.26.2-5.1.el6_5.x86_64.rpm
pixman-debuginfo-0.26.2-5.1.el6_5.i686.rpm
pixman-debuginfo-0.26.2-5.1.el6_5.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/pixman-0.26.2-5.1.el6_5.src.rpm

i386:
pixman-debuginfo-0.26.2-5.1.el6_5.i686.rpm
pixman-devel-0.26.2-5.1.el6_5.i686.rpm

x86_64:
pixman-debuginfo-0.26.2-5.1.el6_5.i686.rpm
pixman-debuginfo-0.26.2-5.1.el6_5.x86_64.rpm
pixman-devel-0.26.2-5.1.el6_5.i686.rpm
pixman-devel-0.26.2-5.1.el6_5.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/pixman-0.26.2-5.1.el6_5.src.rpm

x86_64:
pixman-0.26.2-5.1.el6_5.i686.rpm
pixman-0.26.2-5.1.el6_5.x86_64.rpm
pixman-debuginfo-0.26.2-5.1.el6_5.i686.rpm
pixman-debuginfo-0.26.2-5.1.el6_5.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/pixman-0.26.2-5.1.el6_5.src.rpm

x86_64:
pixman-debuginfo-0.26.2-5.1.el6_5.i686.rpm
pixman-debuginfo-0.26.2-5.1.el6_5.x86_64.rpm
pixman-devel-0.26.2-5.1.el6_5.i686.rpm
pixman-devel-0.26.2-5.1.el6_5.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/pixman-0.26.2-5.1.el6_5.src.rpm

i386:
pixman-0.26.2-5.1.el6_5.i686.rpm
pixman-debuginfo-0.26.2-5.1.el6_5.i686.rpm
pixman-devel-0.26.2-5.1.el6_5.i686.rpm

ppc64:
pixman-0.26.2-5.1.el6_5.ppc.rpm
pixman-0.26.2-5.1.el6_5.ppc64.rpm
pixman-debuginfo-0.26.2-5.1.el6_5.ppc.rpm
pixman-debuginfo-0.26.2-5.1.el6_5.ppc64.rpm
pixman-devel-0.26.2-5.1.el6_5.ppc.rpm
pixman-devel-0.26.2-5.1.el6_5.ppc64.rpm

s390x:
pixman-0.26.2-5.1.el6_5.s390.rpm
pixman-0.26.2-5.1.el6_5.s390x.rpm
pixman-debuginfo-0.26.2-5.1.el6_5.s390.rpm
pixman-debuginfo-0.26.2-5.1.el6_5.s390x.rpm
pixman-devel-0.26.2-5.1.el6_5.s390.rpm
pixman-devel-0.26.2-5.1.el6_5.s390x.rpm

x86_64:
pixman-0.26.2-5.1.el6_5.i686.rpm
pixman-0.26.2-5.1.el6_5.x86_64.rpm
pixman-debuginfo-0.26.2-5.1.el6_5.i686.rpm
pixman-debuginfo-0.26.2-5.1.el6_5.x86_64.rpm
pixman-devel-0.26.2-5.1.el6_5.i686.rpm
pixman-devel-0.26.2-5.1.el6_5.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/pixman-0.26.2-5.1.el6_5.src.rpm

i386:
pixman-0.26.2-5.1.el6_5.i686.rpm
pixman-debuginfo-0.26.2-5.1.el6_5.i686.rpm
pixman-devel-0.26.2-5.1.el6_5.i686.rpm

x86_64:
pixman-0.26.2-5.1.el6_5.i686.rpm
pixman-0.26.2-5.1.el6_5.x86_64.rpm
pixman-debuginfo-0.26.2-5.1.el6_5.i686.rpm
pixman-debuginfo-0.26.2-5.1.el6_5.x86_64.rpm
pixman-devel-0.26.2-5.1.el6_5.i686.rpm
pixman-devel-0.26.2-5.1.el6_5.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-2013-6425.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 2013 Red Hat, Inc.
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