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Gentoo Linux Security Advisory                           GLSA 200410-09
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  Severity: Normal
     Title: LessTif: Integer and stack overflows in libXpm
      Date: October 09, 2004
      Bugs: #66647
        ID: 200410-09

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Synopsis
========

Multiple vulnerabilities have been discovered in libXpm, which is
included in LessTif, that can potentially lead to remote code
execution.

Background
==========

LessTif is a clone of OSF/Motif, which is the standard user interface
toolkit available on Unix and Linux.

Affected packages
=================

    -------------------------------------------------------------------
     Package           /  Vulnerable  /                     Unaffected
    -------------------------------------------------------------------
  1  x11-libs/lesstif      < 0.93.97                        >= 0.93.97

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

Chris Evans has discovered various integer and stack overflows in
libXpm, which is shipped as a part of the X Window System. LessTif, an
application that includes this library, is susceptible to the same
issues.

Impact
======

A carefully-crafted XPM file could crash applications that are linked
against libXpm, such as LessTif, potentially allowing the execution of
arbitrary code with the privileges of the user running the application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All LessTif users should upgrade to the latest version:

    # emerge sync

    # emerge -pv ">=x11-libs/lesstif-0.93.97"
    # emerge ">=x11-libs/lesstif-0.93.97"

References
==========

  [ 1 ] CAN-2004-0687
        CAN-2004-0687">http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0687
  [ 2 ] CAN-2004-0688
        CAN-2004-0688">http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0688
  [ 3 ] GLSA-200409-34
        http://www.gentoo.org/security/en/glsa/glsa-200409-34.xml
  [ 4 ] LessTif Release Notes
        http://www.lesstif.org/ReleaseNotes.html

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

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

  http://security.gentoo.org/glsa/glsa-200410-09.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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