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Gentoo Linux Security Advisory GLSA 200911-01
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http://security.gentoo.org/
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Severity: Normal
Title: Horde: Multiple vulnerabilities
Date: November 06, 2009
Bugs: #285052
ID: 200911-01

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Synopsis
========

Multiple vulnerabilities in the Horde Application Framework can allow
for arbitrary files to be overwritten and cross-site scripting attacks.

Background
==========

Horde is a web application framework written in PHP.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 www-apps/horde < 3.3.5 >= 3.3.5
2 www-apps/horde-webmail < 1.2.4 >= 1.2.4
3 www-apps/horde-groupware < 1.2.4 >= 1.2.4
-------------------------------------------------------------------
3 affected packages on all of their supported architectures.
-------------------------------------------------------------------

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

Multiple vulnerabilities have been discovered in Horde:

* Stefan Esser of Sektion1 reported an error within the form library
when handling image form fields (CVE-2009-3236).

* Martin Geisler and David Wharton reported that an error exists in
the MIME viewer library when viewing unknown text parts and the
preferences system in services/prefs.php when handling number
preferences (CVE-2009-3237).

Impact
======

A remote authenticated attacker could exploit these vulnerabilities to
overwrite arbitrary files on the server, provided that the user has
write permissions. A remote authenticated attacker could conduct
Cross-Site Scripting attacks.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Horde users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose =www-apps/horde-3.3.5

All Horde webmail users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose =www-apps/horde-webmail-1.2.4

All Horde groupware users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose =www-apps/horde-groupware-1.2.4

References
==========

[ 1 ] CVE-2009-3236
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3236
[ 2 ] CVE-2009-3237
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3237

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

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

http://security.gentoo.org/glsa/glsa-200911-01.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 (at) gentoo (dot) org [email concealed] or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2009 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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