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[ GLSA 200710-17 ] Balsa: Buffer overflow
From: Raphael Marichez <falco () gentoo org>
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 () gentoo org 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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