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Clickjacking (?) on Facebook.com (Question)
From: Stefan Schurtz <sschurtz () t-online de>
Date: Wed, 11 Dec 2013 22:18:09 +0100


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Hello,

it is possible to load
"https://www.facebook.com/login/reauth.php?next=https://www.facebook.com/confirmphone.php&display=popup";
in another page.

See here:

// Clickjacking test only
http://darksecurity.de/fb-clickjack/ClickJacking-iFrame.html

Here is a PoC for the login site: (I've used
http://code.google.com/p/javascript-keylogger/)

// Clickjacking PoC (Login without logged in user)
http://darksecurity.de/flv/Facebook-PoC-Clickjacking.flv

Some more information:

// Login with logged in user
http://darksecurity.de/fb-clickjack/facebook.com-Clickjacking-AuthUser.JPG

// Login without logged in user
http://darksecurity.de/fb-clickjack/facebook.com-Clickjacking-NoAuthUser.JPG

// No X-Frame-Options on
https://www.facebook.com/login/reauth.php?next=https://www.facebook.com/confirmphone.php&display=popup
http://darksecurity.de/fb-clickjack/WebScarab-NO-X-Frame-Options.JPG

// X-Frame-Options on Facebook.com
http://darksecurity.de/fb-clickjack/WebScarab-X-Frame-Options.JPG

My question: is this really not a security problem on Facebook?

Kind regards,
Stefan
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