bugtraq - iDefense Security Advisory 03.28.07: IBM Lotus Domino Web Access Cross Site Scripting Vulnerability

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Date: Wed, 28 Mar 2007 11:08:19 -0400
From: iDefense Labs <labs-no-reply@...fense.com>
To: vulnwatch@...nwatch.org, full-disclosure@...ts.grok.org.uk,
	bugtraq@...urityfocus.com
Subject: iDefense Security Advisory 03.28.07: IBM Lotus Domino Web Access
 Cross Site Scripting Vulnerability

IBM Lotus Domino Web Access Cross Site Scripting Vulnerability

iDefense Security Advisory 03.28.07
http://labs.idefense.com/intelligence/vulnerabilities/
Mar 28, 2007

I. BACKGROUND

IBM Lotus Domino Web Access is a web-based messaging and collaboration
interface for the Lotus Domino server. More information is available at the
following site.

http://www-142.ibm.com/software/sw-lotus/products/product1.nsf/wdocs/webaccesshome

II. DESCRIPTION

Remote exploitation of a cross-site scripting vulnerability in IBM Lotus
Domino Web Access allows attackers to execute arbitrary script code in a
targeted users browser.

The vulnerability specifically exists due to improper HTML filtering of
e-mail
message contents. Although Web Access attempts to filter out HTML and script
code, certain code sequences will bypass the filters and successfully
execute
JavaScript.

III. ANALYSIS

Exploitation of this vulnerability allows attackers to execute arbitrary
script code in the targeted user's browser.

This can lead to a full compromise of the e-mail account as credentials
may be
stolen and sent to the attacker. All that is required to trigger this
vulnerability is for a user to view a malicious e-mail using Web Access.

IV. DETECTION

iDefense has confirmed that Lotus Domino Web Access 7.0 is vulnerable.
Earlier
versions are suspected vulnerable.

V. WORKAROUND

iDefense is currently unaware of any effective workaround for this issue.

VI. VENDOR RESPONSE

IBM Lotus has addressed this vulnerability in the 6.5.6 and 7.0.2 FP1
releases
of Web Access. For more information consult IBM Technote swg21257026 via the
following URL.

http://www-1.ibm.com/support/docview.wss?uid=swg21257026

VII. CVE INFORMATION

The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CVE-2006-4843 to this issue. This is a candidate for inclusion in
the CVE list (http://cve.mitre.org/), which standardizes names for
security problems.

VIII. DISCLOSURE TIMELINE

08/17/2006  Initial vendor notification
08/17/2006  Initial vendor response
03/28/2007  Coordinated public disclosure

IX. CREDIT

The discoverer of this vulnerability wishes to remain anonymous.

Get paid for vulnerability research
http://labs.idefense.com/methodology/vulnerability/vcp.php

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http://labs.idefense.com/

X. LEGAL NOTICES

Copyright © 2007 iDefense, Inc.

Permission is granted for the redistribution of this alert electronically.
It may not be edited in any way without the express written consent of
iDefense. If you wish to reprint the whole or any part of this alert in
any other medium other than electronically, please e-mail
customerservice@...fense.com for permission.

Disclaimer: The information in the advisory is believed to be accurate at
the time of publishing based on currently available information. Use of
the information constitutes acceptance for use in an AS IS condition.
There are no warranties with regard to this information. Neither the
author nor the publisher accepts any liability for any direct, indirect,
or consequential loss or damage arising from use of, or reliance on, this
information.