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Gentoo Linux Security Advisory                           GLSA 200508-06
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                                            http://security.gentoo.org/
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  Severity: High
     Title: Gaim: Remote execution of arbitrary code
      Date: August 15, 2005
      Bugs: #102000
        ID: 200508-06

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Synopsis
========

Gaim is vulnerable to a buffer overflow which could lead to the
execution of arbitrary code or to a Denial of Service.

Background
==========

Gaim is a full featured instant messaging client which handles a
variety of instant messaging protocols.

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

    -------------------------------------------------------------------
     Package      /  Vulnerable  /                          Unaffected
    -------------------------------------------------------------------
  1  net-im/gaim       < 1.5.0                                >= 1.5.0

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

Brandon Perry discovered that Gaim is vulnerable to a heap-based buffer
overflow when handling away messages (CAN-2005-2103). Furthermore,
Daniel Atallah discovered a vulnerability in the handling of file
transfers (CAN-2005-2102).

Impact
======

A remote attacker could create a specially crafted away message which,
when viewed by the target user, could lead to the execution of
arbitrary code. Also, an attacker could send a file with a non-UTF8
filename to a user, which would result in a Denial of Service.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Gaim users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-im/gaim-1.5.0"

References
==========

  [ 1 ] CAN-2005-2102
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2102
  [ 2 ] CAN-2005-2103
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2103

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

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

  http://security.gentoo.org/glsa/glsa-200508-06.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 2005 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

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