GLSA 200605-17 libTIFF: Multiple vulnerabilities
Posted on: 05/30/2006 07:52 PM

A new security update has been released for Gentoo Linux - libTIFF: Multiple vulnerabilities. Here the announcement:

Gentoo Linux Security Advisory GLSA 200605-17
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http://security.gentoo.org/
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Severity: Normal
Title: libTIFF: Multiple vulnerabilities
Date: May 30, 2006
Bugs: #129675
ID: 200605-17

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Synopsis
========

Multiple vulnerabilities in libTIFF could lead to the execution of
arbitrary code or a Denial of Service.

Background
==========

libTIFF provides support for reading and manipulating TIFF images.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-libs/tiff lt; 3.8.1 gt;= 3.8.1

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

Multiple vulnerabilities, ranging from integer overflows and NULL
pointer dereferences to double frees, were reported in libTIFF.

Impact
======

An attacker could exploit these vulnerabilities by enticing a user to
open a specially crafted TIFF image, possibly leading to the execution
of arbitrary code or a Denial of Service.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All libTIFF users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose "gt;=media-libs/tiff-3.8.1"

References
==========

[ 1 ] CVE-2006-0405
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0405
[ 2 ] CVE-2006-2024
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2024
[ 3 ] CVE-2006-2025
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2025
[ 4 ] CVE-2006-2026
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2026

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

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

http://security.gentoo.org/glsa/glsa-200605-17.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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