full-disclosure - [ GLSA 200606-27 ] Mutt: Buffer overflow

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Message-ID: <200606282136.17715.jaervosz@gentoo.org>
Date: Wed Jun 28 20:36:36 2006
From: jaervosz at gentoo.org (Sune Kloppenborg Jeppesen)
Subject: [ GLSA 200606-27 ] Mutt: Buffer overflow

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Gentoo Linux Security Advisory                           GLSA 200606-27
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Mutt: Buffer overflow
      Date: June 28, 2006
      Bugs: #138125
        ID: 200606-27

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Synopsis
========

Mutt contains a buffer overflow that could result in arbitrary code
execution.

Background
==========

Mutt is a small but very powerful text-based mail client.

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

    -------------------------------------------------------------------
     Package           /   Vulnerable   /                   Unaffected
    -------------------------------------------------------------------
  1  mail-client/mutt      < 1.5.11-r2                    >= 1.5.11-r2

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

TAKAHASHI Tamotsu has discovered that Mutt contains a boundary error in
the "browse_get_namespace()" function in browse.c, which can be
triggered when receiving an overly long namespace from an IMAP server.

Impact
======

A malicious IMAP server can send an overly long namespace to Mutt in
order to crash the application, and possibly execute arbitrary code
with the permissions of the user running Mutt.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Mutt users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=mail-client/mutt-1.5.11-r2"

References
==========

  [ 1 ] CVE-2006-3242
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3242

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

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

  http://security.gentoo.org/glsa/glsa-200606-27.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@...too.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2006 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
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