GLSA 200710-17 Balsa: Buffer overflow
Posted on: 10/17/2007 01:45 AM

A new security update has been released for Gentoo Linux - Balsa: Buffer overflow. Here the announcement:

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
=================

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Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 mail-client/balsa lt; 2.3.20 gt;= 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 "gt;=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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