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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                   >=3D 3.3.5
  2  www-apps/horde-webmail         < 1.2.4                   >=3D 1.2.4
  3  www-apps/horde-groupware       < 1.2.4                   >=3D 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 =3Dwww-apps/horde-3.3.5

All Horde webmail users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose =3Dwww-apps/horde-webmail-1.2.4

All Horde groupware users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose =3Dwww-apps/horde-groupware-1.2.4

References
==========

  [ 1 ] CVE-2009-3236
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-2009-3236
  [ 2 ] CVE-2009-3237
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-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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