* [gentoo-announce] [ GLSA 200609-04 ] LibXfont: Multiple integer overflows
@ 2006-09-06 17:03 99% Sune Kloppenborg Jeppesen
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From: Sune Kloppenborg Jeppesen @ 2006-09-06 17:03 UTC (permalink / raw
To: gentoo-announce; +Cc: bugtraq, full-disclosure, security-alerts
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Gentoo Linux Security Advisory GLSA 200609-04
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http://security.gentoo.org/
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Severity: Normal
Title: LibXfont: Multiple integer overflows
Date: September 06, 2006
Bugs: #144092
ID: 200609-04
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Synopsis
========
A buffer overflow was discovered in the PCF font parser, potentially
resulting in the execution of arbitrary code.
Background
==========
libXfont is the X.Org Xfont library, some parts are based on the
FreeType code base.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 x11-libs/libXfont < 1.2.0-r1 >= 1.2.0-r1
Description
===========
Several integer overflows have been found in the PCF font parser.
Impact
======
A local attacker could possibly execute arbitrary code or crash the
Xserver by enticing a user to load a specially crafted PCF font file.
Workaround
==========
Do not use untrusted PCF Font files.
Resolution
==========
All libXfont users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-libs/libXfont-1.2.0-r1"
References
==========
[ 1 ] CVE-2006-3467
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3467
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200609-04.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 2006 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/2.5
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