[OAUTH-WG] OAuth 2 fun... for some values of fun.

William Mills <wmills_92105@yahoo.com> Fri, 04 January 2013 23:44 UTC

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Date: Fri, 04 Jan 2013 15:44:06 -0800
From: William Mills <wmills_92105@yahoo.com>
To: O Auth WG <oauth@ietf.org>
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Subject: [OAUTH-WG] OAuth 2 fun... for some values of fun.
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FYI

http://prosecco.gforge.inria.fr/CVE/Facebook_JS_2012.html


"As a part of our study of various security critical Javascript SDKs we 
did an analysis of the Facebook Connect JS SDK. Since they use HTML5 
based PostMessage API we were specifically interested in the way the 
origins were validated. We managed to bypass the origin validation by 
exploiting 3 different bugs in their SDK."