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Jun 16, 2015
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|Data Validation in Web Applications.pdf|
|Principles of Secure Web Application Development.pdf||
Demo stuff for the 2011 UCDavis IT Security Symposium. http://itsecuritysymposium.ucdavis.edu/ -- CSRF: * Demo the banking application * Now to the evil side * First we can do a get request that changes money. This is bad, only idempotent operations should be GET. * Change to post, now it will not work. * Now evil bank does post example, which works. This is of course because there is no authorization being preformed. * Showing the above is optional really, not a CSRF attack * Now, lock down to authorize * For CSRF #1, get user to visit http://localhost:5416/Csrf/GetForgeryPage. This is the GET attack example. * For CSRF #2, get user to visit http://localhost:5416/Csrf/PostForgeryPage. This is the POST attack. * Solve the post attack by adding an antiforgerytoken.