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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@gentoo.org 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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