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From: iDefense Labs (labs-no-replyidefense.com)
Date: Wed Mar 28 2007 - 10:08:19 CDT
IBM Lotus Domino Web Access Cross Site Scripting Vulnerability
iDefense Security Advisory 03.28.07
Mar 28, 2007
IBM Lotus Domino Web Access is a web-based messaging and collaboration
interface for the Lotus Domino server. More information is available at the
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
message contents. Although Web Access attempts to filter out HTML and script
code, certain code sequences will bypass the filters and successfully
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
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.
iDefense has confirmed that Lotus Domino Web Access 7.0 is vulnerable.
versions are suspected vulnerable.
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
of Web Access. For more information consult IBM Technote swg21257026 via the
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
VIII. DISCLOSURE TIMELINE
08/17/2006 Initial vendor notification
08/17/2006 Initial vendor response
03/28/2007 Coordinated public disclosure
The discoverer of this vulnerability wishes to remain anonymous.
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X. LEGAL NOTICES
Copyright © 2007 iDefense, Inc.
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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