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Secunia Research: IBM Lotus Domino iNotes Client Script Insertion Vulnerabilities
From: Secunia Research <vuln () secunia com>
Date: Fri, 10 Feb 2006 13:58:30 +0100

====================================================================== 

                     Secunia Research 10/02/2006

  - IBM Lotus Domino iNotes Client Script Insertion Vulnerabilities -

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Table of Contents

Affected Software....................................................1
Severity.............................................................2
Description of Vulnerability.........................................3
Solution.............................................................4
Time Table...........................................................5
Credits..............................................................6
References...........................................................7
About Secunia........................................................8
Verification.........................................................9

====================================================================== 
1) Affected Software 

* IBM Lotus Domino Web Access 7.x
* IBM Lotus Domino Web Access (iNotes) 6.x
* IBM Lotus Domino 6.x
* IBM Lotus Domino 7.x

Other versions may also be affected.

====================================================================== 
2) Severity 

Rating: Moderately Critical
Impact: Cross-Site Scripting
Where:  Remote

====================================================================== 
3) Description of Vulnerability

Secunia Research has discovered some vulnerabilities in Lotus Domino
iNotes Client, which can be exploited by malicious people to conduct
script insertion attacks.

1) Attached files (e.g. ".html" files) are opened in the context of
the site if the user clicks on it. This can be exploited to execute
arbitrary JavaScript code in the context of the user's session.

The vulnerability has been confirmed in version 6.5.4. The
vulnerability does not affect version 6.5.4 FP1. Prior versions may
also be affected.

2) The email subject is not properly sanitised before being displayed
to the user as the browser title. This can be exploited to execute
arbitrary JavaScript in the context of the user's session when the
user views a received email.

Example:
</TITLE><SCRIPT>alert("Vulnerable!");</SCRIPT>

The vulnerability has been confirmed in version 6.5.4 and also
reported in version 7.0. Other versions may also be affected.

3) It is possible to bypass certain security checks related to
"javascript:" URLs by inserting "&#13;" in the middle of the URL.
This can be exploited to execute arbitrary JavaScript code in the
context of the user's session.

Example:
<a href="java&#13;script:alert('Vulnerable!');">Link</a>

The vulnerability has been confirmed in version 6.5.4 and also
reported in version 7.0. Other versions may also be affected.

4) The attachment filename is not properly sanitised before being
displayed to the user. This can be exploited to execute arbitrary
JavaScript in context of the user's session when the user views a
received email.

Successful exploitation requires that the Domino Web Access ActiveX
control is not installed on the browser.

The vulnerability has been confirmed in version 6.5.4 and also
reported in version 7.0. Other versions may also be affected.

====================================================================== 
4) Solution 

Update to version 6.5.5 or 7.0.1.

====================================================================== 
5) Time Table 

22/08/2005 - Initial vendor notification.
25/08/2005 - Initial vendor response.
10/02/2006 - Public disclosure.

====================================================================== 
6) Credits 

1-3) Jakob Balle, Secunia Research.
4) Tan Chew Keong, Secunia Research.

====================================================================== 
7) References

No other references.

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8) About Secunia 

Secunia collects, validates, assesses, and writes advisories regarding 
all the latest software vulnerabilities disclosed to the public. These 
advisories are gathered in a publicly available database at the 
Secunia website: 

http://secunia.com/

Secunia offers services to our customers enabling them to receive all 
relevant vulnerability information to their specific system 
configuration. 

Secunia offers a FREE mailing list called Secunia Security Advisories: 

http://secunia.com/secunia_security_advisories/

====================================================================== 
9) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2005-38/advisory/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

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