[ GLSA 200705-22 ] FreeType: Buffer overflow
Date: Wed, 30 May 2007 20:50:08 +0200
From: Raphael Marichez <falco@gentoo.org.>
To: [email protected]
Subject: [ GLSA 200705-22 ] FreeType: Buffer overflow
Message-ID: <20070530185008.GA30629@falco.falcal.net.>
Mail-Followup-To: [email protected],
[email protected], [email protected],
[email protected]
MIME-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha1;
protocol="application/pgp-signature"; boundary="gKMricLos+KVdGMg"
Content-Disposition: inline
X-Web: http://falco.bz/
X-GPG-fingerprint: 04EB 153A 6B28 3E80 87A9 9B4F A77C 4BDE 021C 5BD2
X-GPG-Key: http://subkeys.pgp.net:11371/pks/lookup?op=get&search=0x021C5BD2
X-GPG-Subkey: http://subkeys.pgp.net:11371/pks/lookup?op=get&search=0x0114FC45
Organization: Gentoo Linux Security Team
User-Agent: mutt-ng/devel-r804 (Linux)
X-Virus-Scanned: antivirus-gw at tyumen.ru
--gKMricLos+KVdGMg
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 200705-22
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal
Title: FreeType: Buffer overflow
Date: May 30, 2007
Bugs: #179161
ID: 200705-22
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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
[email protected] 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
--gKMricLos+KVdGMg
Content-Type: application/pgp-signature
Content-Disposition: inline
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.7 (GNU/Linux)
iQEVAwUBRl3HYDvRww8BFPxFAQKFgAf/eseGx4QwgFZ+dMSPA1sGpBqK+aZ7cqay
aHEI3yleN+F8Nw9nCsH8Um/n86YZQLokhdFA19ZkqOu+0M/FywEMyWDMG5V65wkm
CshEhavuni0A3essURr0bvJF3fF3K8HtnZ3yfv6USIWYyKx0kFpvHMJOS7QYZk4y
NGS+4+kHXWRLOoqx0aFYM+VlPSrNTXAlryIn0RdLrcMmk7G8pY62uFfpgk/HeN9I
cCwf4of5Wn9XUivS+kUuQX1MyAtalGd2UDo8y19IuReKTU4EpTmYqgaadSnPxJ9t
Kj2KSPsXTxAvjMaynsjZQ1zBO8VsFBdF7b2LCLDgMRCfZnrY006Big==
=j4K/
-----END PGP SIGNATURE-----
--gKMricLos+KVdGMg--
