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Assigned : VUPEN/ADV-2005-2464
From : Thierry Carrez <koon at gentoo.org>
Subject : [ GLSA 200511-14 ] GTK+ 2,
Date : 2005-11-16
Original Message
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Gentoo Linux Security Advisory GLSA 200511-14
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http://security.gentoo.org/
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Severity: Normal
Title: GTK+ 2, GdkPixbuf: Multiple XPM decoding vulnerabilities
Date: November 16, 2005
Bugs: #112608
ID: 200511-14
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Synopsis
========
The GdkPixbuf library, that is also included in GTK+ 2, contains
vulnerabilities that could lead to a Denial of Service or the
execution of arbitrary code.
Background
==========
GTK+ (the GIMP Toolkit) is a toolkit for creating graphical user
interfaces. The GdkPixbuf library provides facilities for image
handling. It is available as a standalone library and also packaged
with GTK+ 2.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 x11-libs/gtk+ < 2.8.6-r1 >= 2.8.6-r1
*>= 2.6.10-r1
< 2.0
2 media-libs/gdk-pixbuf < 0.22.0-r5 >= 0.22.0-r5
-------------------------------------------------------------------
2 affected packages on all of their supported architectures.
-------------------------------------------------------------------
Description
===========
iDEFENSE reported a possible heap overflow in the XPM loader
(CVE-2005-3186). Upon further inspection, Ludwig Nussel discovered two
additional issues in the XPM processing functions : an integer overflow
(CVE-2005-2976) that affects only gdk-pixbuf, and an infinite loop
(CVE-2005-2975).
Impact
======
Using a specially crafted XPM image an attacker could cause an affected
application to enter an infinite loop or trigger the overflows,
potentially allowing the execution of arbitrary code.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All GTK+ 2 users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose x11-libs/gtk+
All GdkPixbuf users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/gdk-pixbuf-0.22.0-r5"
References
==========
[ 1 ] CVE-2005-2975
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2975
[ 2 ] CVE-2005-2976
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2976
[ 3 ] CVE-2005-3186
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3186
[ 4 ] iDefense Security Advisory 11.15.05
http://www.idefense.com/application/poi/display?id=339&type=vulnerabilities
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200511-14.xml
Concerns?
=========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.
License
=======
Copyright 2005 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.0
Disclaimer : VUPEN Security does not endorse the content of this
message submitted by others to public mailinglists. Messages submitted to public
mailinglists do not necessarily reflect the opinions or policies of VUPEN Security.
VUPEN Security makes no warranties, express or implied, as to the content of the message
in this page or the accuracy and reliability of any messages and other materials
submitted to public mailinglists. Any questions or comments regarding this page
should be sent to
team@vupen.com
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