Jose Ramon Palanco has reported some vulnerabilities in D-Link DSL-G624T, which can be exploited by malicious people to conduct cross-site scripting attacks or to disclose certain sensitive information.
1) Input passed to the "upnp%3Asettings%2Fstate" and "upnp%3Asettings%2Fconnection", and potentially other parameters (e.g. "var:ReloadHref") in cgi-bin/webcm are not properly sanitised before being returned to the user. These can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
2) Input passed to the "getpage" parameter in cgi-bin/webcm is not properly verified before being used. This can be exploited to disclose the content of certain files via directory traversal attacks.
The vulnerabilities are reported in firmware version V3.00B01T01.YA-C.20060616. Other versions may also be affected.
Solution: Do not visit other web sites while accessing the device and use it only in a trusted network.
Provided and/or discovered by: Jose Ramon Palanco
Original Advisory: http://www.eazel.es/advisory005-D-Link-DSL-G624T-directoy-transversal-xss-cross-site-scripting-directory-listing-vulnerabilities.html
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Subject: D-Link DSL-G624T Directory Traversal and Cross-Site Scripting
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