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
=================
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Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-libs/tiff < 3.8.1 >= 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 ">=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
