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TUCoPS :: Linux :: Apps A-M :: b06-2610.htm

Libtiff: multiple vulnerabilities



libTIFF: Multiple vulnerabilities
libTIFF: Multiple vulnerabilities



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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       < 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 

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