(Gentoo Issues Fix) Horde IMP Input Validation Hole in Content-Type Header Permits Cross-Site Scripting Attacks
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SecurityTracker Alert ID: 1010518
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SecurityTracker URL: http://securitytracker.com/id?1010518
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CVE Reference: GENERIC-MAP-NOMATCH
(Links to External Site)
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Date: Jun 17 2004
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Impact: Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
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Fix Available: Yes
Vendor Confirmed: Yes
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Version(s): prior to 3.2.4
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Description: An input validation vulnerability was reported in Horde IMP. A remote user can conduct cross-site scripting attacks.
The vendor reported that the software does not properly filter data in e-mail messages in the Content-type header. A remote user
can send a specially crafted e-mail message that, when viewed by the target user, will cause arbitrary scripting code to be executed
by the target user's browser. The code will originate from the site running the IMP software and will run in the security context
of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any,
associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site
acting as the target user.
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Impact: A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the
IMP software, access data recently submitted by the target user via web form to the site, or take actions on the site acting as
the target user.
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Solution: Gentoo has released a fix and indicates that 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"
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Vendor URL: www.horde.org/imp/3.2/news.php (Links to External Site)
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Cause: Input validation error
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Underlying OS: Linux (Gentoo)
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Reported By: Kurt Lieber <klieber@gentoo.org>
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Message History:
This archive entry is a follow-up to the message listed below.
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Source Message Contents
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Date: Wed, 16 Jun 2004 13:25:32 +0000
From: Kurt Lieber <klieber@gentoo.org>
Subject: [gentoo-announce] [ GLSA 200406-11 ] Horde-IMP: Input validation vulnerability
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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
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