[WEB SECURITY] ASP.NET Request Validator Bypass?

Ryan Dewhurst ryandewhurst at gmail.com
Sat Feb 19 10:39:06 EST 2011


Recently on a client test I was able to bypass the ASP.NET Request Validator
by leveraging the jQuery library which was included in the page. I am mainly
a LAMP guy and my knowledge of ASP.NET and how to set it up is minimal.

I was wondering if any one could confirm whether my bypass affects all
ASP.NET installations or whether or not this particular client had it
configured incorrectly.

I used the following jQuery function to bypass the filter:


Ryan Dewhurst

blog www.ethicalhack3r.co.uk
projects www.dvwa.co.uk | www.webwordcount.com
twitter www.twitter.com/ethicalhack3r
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