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Home » Security Advisories» Gentoo » FreeType multiple integer overflows

FreeType multiple integer overflows

Multiple remotely exploitable buffer overflows have been discovered in FreeType, resulting in the execution of arbitrary code.

  • Vendor: Gentoo
  • Vendor ID: GLSA 200607-02
  • Date: July 09, 2006


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Gentoo Linux Security Advisory GLSA 200607-02
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http://security.gentoo.org/
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Severity: Normal
Title: FreeType: Multiple integer overflows
Date: July 09, 2006
Bugs: #124828
ID: 200607-02

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Synopsis
========

Multiple remotely exploitable buffer overflows have been discovered in
FreeType, resulting in the execution of arbitrary code.

Background
==========

FreeType is a portable font engine.

Affected packages
=================

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-libs/freetype < 2.1.10-r2 >= 2.1.10-r2

Description
===========

Multiple integer overflows exist in a variety of files (bdf/bdflib.c,
sfnt/ttcmap.c, cff/cffgload.c, base/ftmac.c).

Impact
======

A remote attacker could exploit these buffer overflows by enticing a
user to load a specially crafted font, which could result in the
execution of arbitrary code.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All FreeType users should upgrade to the latest stable version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/freetype-2.1.10-r2"

References
==========

[ 1 ] CVE-2006-1861
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1861

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-200607-02.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 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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