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Microsoft Windows Server 2003 Remote Admin Cross-Site Scripting
Secunia Advisory: SA9334
Release Date: 2003-07-23
Last Update: 2005-08-01
Popularity: 20,048 views

Critical:
Moderately critical
Impact: Cross Site Scripting
Where: From remote
Solution Status: Vendor Patch

OS:Microsoft Windows Server 2003 Datacenter Edition
Microsoft Windows Server 2003 Enterprise Edition
Microsoft Windows Server 2003 Standard Edition
Microsoft Windows Server 2003 Web Edition

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Description:
A vulnerability has been reported in Microsoft Windows 2003, which can be exploited by malicious people to conduct cross-site scripting attacks.

The "ReturnURL" parameter in the web-based Remote Administration tool is not properly sanitised in various scripts before being returned to users. This can be exploited to execute arbitrary HTML and script code in a user's browser session.

Successful exploitation may potentially grant access to the administration tool.

It is also possible to change the password of the user currently logged in without knowing the user's password using the "users/user_setpassword.asp" script.

Solution:
Apply Service Pack 1.

Provided and/or discovered by:
Hugo Vazquez Carames & Toni Cortes Martinez

Changelog:
2005-05-30: Updated "Solution" section.
2005-08-01: Updated advisory.

Original Advisory:
http://www.infohacking.com/INFOHACKING_RESEARCH/Our_Advisories/iis6/index.html


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