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Gentoo Linux Security Advisory                           GLSA 200604-02
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                                            http://security.gentoo.org/
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  Severity: High
     Title: Horde Application Framework: Remote code execution
      Date: April 04, 2006
      Bugs: #127889, #126435
        ID: 200604-02

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Synopsis
========

The help viewer of the Horde Framework allows attackers to execute
arbitrary remote code.

Background
==========

The Horde Application Framework is a general-purpose web application
framework written in PHP, providing classes for handling preferences,
compression, browser detection, connection tracking, MIME and more.

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

    -------------------------------------------------------------------
     Package         /  Vulnerable  /                       Unaffected
    -------------------------------------------------------------------
  1  www-apps/horde       < 3.1.1                             >= 3.1.1

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

Jan Schneider of the Horde team discovered a vulnerability in the help
viewer of the Horde Application Framework that could allow remote code
execution (CVE-2006-1491). Paul Craig reported that "services/go.php"
fails to validate the passed URL parameter correctly (CVE-2006-1260).

Impact
======

An attacker could exploit the vulnerability in the help viewer to
execute arbitrary code with the privileges of the web server user. By
embedding a NULL character in the URL parameter, an attacker could
exploit the input validation issue in go.php to read arbitrary files.

Workaround
==========

There are no known workarounds at this time.

Resolution
==========

All Horde Application Framework users should upgrade to the latest
version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=www-apps/horde-3.1.1"

References
==========

  [ 1 ] CVE-2006-1260
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1260
  [ 2 ] CVE-2006-1491
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1491
  [ 3 ] Horde Announcement
        http://lists.horde.org/archives/announce/2006/000271.html

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

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

  http://security.gentoo.org/glsa/glsa-200604-02.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 2006 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/2.0

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