Portcullis Security Advisory 06-064
 

Vulnerable System: 

Belkin Wireless G Plus Router



Vulnerability Title: 

Belkin Router G Plus Router (F5D7231-4) Administration Web Interface 
Cross-site-Scripting.


Vulnerability discovery and development: 

Portcullis Security Testing Services. Further research was then carried out.


Credit for Discovery:

Nico Leidecker of Portcullis Computer Security Ltd.


Affected systems: 

Belkin G Plus Router (F5D7231-4), Firmware version 4.05.03, was tested as 
vulnerable.


Details:

The Belkin administration web interface is prone to a Cross-site Scripting
vulnerability. The network's administrator can overview a DHCP client list,
where IP, MAC addresses and the hostnames are displayed.
There is no sanitising for HTML and script code which could appear in the 
hostname.


Impact:

An attacker might be able to execute arbitrary script code in the admins 
browser.


Exploit:

There is no exploit code required.


Copyright: 
 
Copyright © Portcullis Computer Security Limited 2005, All rights reserved 
worldwide. 

Permission is hereby granted for the electronic redistribution of this 
information. It is not to be edited or altered in any way without the express 
written consent of Portcullis Computer Security Limited.


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warranties, implied or otherwise, with regard to this information or its use. 
Any use of this information is at the user's risk. In no event shall the 
author/distributor (Portcullis Computer Security Limited) be held liable for 
any damages whatsoever arising out of or in connection with the use or spread 
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