Home / mailings [gentoo-announce] [ GLSA 200705-22 ] FreeType: Buffer overflow
Posted on 30 May 2007
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Gentoo Linux Security Advisory GLSA 200705-22
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http://security.gentoo.org/
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Severity: Normal
Title: FreeType: Buffer overflow
Date: May 30, 2007
Bugs: #179161
ID: 200705-22
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Synopsis
========
A vulnerability has been discovered in FreeType allowing for the
execution of arbitrary code.
Background
==========
FreeType is a True Type Font rendering library.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-libs/freetype < 2.3.4-r2 >= 2.3.4-r2
< 2.0
Description
===========
Victor Stinner discovered a heap-based buffer overflow in the function
Get_VMetrics() in src/truetype/ttgload.c when processing TTF files with
a negative n_points attribute.
Impact
======
A remote attacker could entice a user to open a specially crafted TTF
file, possibly resulting in the execution of arbitrary code with the
privileges of the user running FreeType.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All FreeType users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/freetype-2.3.4-r2"
References
==========
[ 1 ] CVE-2007-2754
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2754
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200705-22.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 2007 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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