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Gentoo Linux Security Advisory                           GLSA 200410-23
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  Severity: High
     Title: Gaim: Multiple vulnerabilities
      Date: October 24, 2004
      Bugs: #68271
        ID: 200410-23

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Synopsis
========

Multiple vulnerabilities have been found in Gaim which could allow a
remote attacker to crash the application, or possibly execute
arbitrary code.

Background
==========

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

Affected packages
=================

    -------------------------------------------------------------------
     Package      /  Vulnerable  /                          Unaffected
    -------------------------------------------------------------------
  1  net-im/gaim       < 1.0.2                                >= 1.0.2

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

A possible buffer overflow exists in the code processing MSN SLP
messages (CAN-2004-0891). memcpy() was used without validating the size
of the buffer, and an incorrect buffer was used as destination under
certain circumstances. Additionally, memory allocation problems were
found in the processing of MSN SLP messages and the receiving of files.
These issues could lead Gaim to try to allocate more memory than
available, resulting in the crash of the application.

Impact
======

A remote attacker could crash Gaim and possibly execute arbitrary code
by exploiting the buffer overflow.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Gaim users should upgrade to the latest version:

    # emerge sync

    # emerge -pv ">=net-im/gaim-1.0.2"
    # emerge ">=net-im/gaim-1.0.2"

References
==========

  [ 1 ] CAN-2004-0891
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0891
  [ 2 ] Gaim Security Issues
        http://gaim.sourceforge.net/security/

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

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

  http://security.gentoo.org/glsa/glsa-200410-23.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/1.0

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