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Gentoo Linux Security Advisory                           GLSA 200412-03
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: imlib: Buffer overflows in image decoding
      Date: December 06, 2004
      Bugs: #72681
        ID: 200412-03

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Synopsis
========

Multiple overflows have been found in the imlib library image decoding
routines, potentially allowing execution of arbitrary code.

Background
==========

imlib is an advanced replacement library for image manipulation
libraries like libXpm. It is called by numerous programs, including
gkrellm and several window managers, to help in displaying images.

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

    -------------------------------------------------------------------
     Package           /   Vulnerable   /                   Unaffected
    -------------------------------------------------------------------
  1  media-libs/imlib     <= 1.9.14-r2                    >= 1.9.14-r3

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

Pavel Kankovsky discovered that several overflows found in the libXpm
library (see GLSA 200409-34) also applied to imlib. He also fixed a
number of other potential flaws.

Impact
======

A remote attacker could entice a user to view a carefully-crafted image
file, which would potentially lead to execution of arbitrary code with
the rights of the user viewing the image. This affects any program that
makes use of the imlib library.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All imlib users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-libs/imlib-1.9.14-r3"

References
==========

  [ 1 ] GLSA 200409-34
        http://www.gentoo.org/security/en/glsa/glsa-200409-34.xml
  [ 2 ] CAN-2004-1026
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1026

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

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

  http://security.gentoo.org/glsa/glsa-200412-03.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 2004 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/2.0