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To: gentoo-announce@g.o
From: Raphael Marichez <falco@g.o>
Subject: [ GLSA 200710-17 ] Balsa: Buffer overflow
Date: Wed, 17 Oct 2007 00:27:06 +0200
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Gentoo Linux Security Advisory                           GLSA 200710-17
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Balsa: Buffer overflow
      Date: October 16, 2007
      Bugs: #193179
        ID: 200710-17

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Synopsis
========

Balsa is vulnerable to a buffer overflow allowing for the user-assisted
execution of arbitrary code.

Background
==========

Balsa is a highly configurable email client for GNOME.

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

    -------------------------------------------------------------------
     Package            /  Vulnerable  /                    Unaffected
    -------------------------------------------------------------------
  1  mail-client/balsa      < 2.3.20                         >= 2.3.20

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

Evil Ninja Squirrel discovered a stack-based buffer overflow in the
ir_fetch_seq() function when receiving a long response to a FETCH
command (CVE-2007-5007).

Impact
======

A remote attacker could entice a user to connect to a malicious or
compromised IMAP server, possibly leading to the execution of arbitrary
code with the rights of the user running Balsa.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Balsa users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=mail-client/balsa-2.3.20"

References
==========

  [ 1 ] CVE-2007-5007
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5007

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

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

  http://security.gentoo.org/glsa/glsa-200710-17.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@g.o or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2007 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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Updated Jun 17, 2009

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