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Gentoo Linux Security Advisory                           GLSA 200406-11
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Horde-IMP: Input validation vulnerability
      Date: June 16, 2004
      Bugs: #53862
        ID: 200406-11

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Synopsis
========

An input validation vulnerability has been discovered in Horde-IMP.

Background
==========

Horde-IMP is the Internet Messaging Program. It is written in PHP and
provides webmail access to IMAP and POP3 accounts.

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

    -------------------------------------------------------------------
     Package            /   Vulnerable   /                  Unaffected
    -------------------------------------------------------------------
  1  net-www/horde-imp       <= 3.2.3                         >= 3.2.4

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

Horde-IMP fails to properly sanitize email messages that contain
malicious HTML or script code.

Impact
======

By enticing a user to read a specially crafted e-mail, an attacker can
execute arbitrary scripts running in the context of the victim's
browser. This could lead to a compromise of the user's webmail account,
cookie theft, etc.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Horde-IMP users should upgrade to the latest stable version:

    # emerge sync

    # emerge -pv ">=horde-imp-3.2.4"
    # emerge ">=horde-imp-3.2.4"

References
==========

  [ 1 ] Bugtraq Announcement
        http://www.securityfocus.com/bid/10501

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

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

     http://security.gentoo.org/glsa/glsa-200406-11.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 2004 Gentoo Technologies, 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/1.0