[gentoo-announce] [ GLSA 200809-07 ] libTIFF: User-assisted execution of arbitrary code

[news 28]

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Gentoo Linux Security Advisory GLSA 200809-07

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http://security.gentoo.org/

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Severity: Normal

Title: libTIFF: User-assisted execution of arbitrary code

Date: September 08, 2008

Bugs: #234080

ID: 200809-07

 

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Synopsis

========

 

Multiple buffer underflow vulnerabilities in libTIFF may allow for the

remote execution of arbitrary code.

 

Background

==========

 

libTIFF provides support for reading and manipulating TIFF (Tagged

Image File Format) images.

 

Affected packages

=================

 

-------------------------------------------------------------------

Package / Vulnerable / Unaffected

-------------------------------------------------------------------

1 media-libs/tiff < 3.8.2-r4 >= 3.8.2-r4

 

Description

===========

 

Drew Yao (Apple Product Security) and Clay Wood reported multiple

buffer underflows in the LZWDecode() and LZWDecodeCompat() functions in

tif_lzw.c when processing TIFF files.

 

Impact

======

 

A remote attacker could entice a user to open a specially crafted TIFF

file with an application making use of libTIFF, possibly resulting in

the remote execution of arbitrary code with the privileges of the user

running the application.

 

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-3.8.2-r4"

 

References

==========

 

[ 1 ] CVE-2008-2327

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2327

 

Availability

============

 

This GLSA and any updates to it are available for viewing at

the Gentoo Security Website:

 

http://security.gentoo.org/glsa/glsa-200809-07.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 ( -at -) gentoo.org or alternatively, you may file a bug at

http://bugs.gentoo.org.

 

License

=======

 

Copyright 2008 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