full-disclosure - Facebook Attach EXE Vulnerability

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Message-ID: <CAM75b+UZLb93eR95i+Ty2aZ-cFz36puBCvL3=A4iAq_MvPkE_w@mail.gmail.com>
Date: Thu, 27 Oct 2011 01:02:13 -0400
From: Nathan Power <np@...uritypentest.com>
To: Full Disclosure <full-disclosure@...ts.grok.org.uk>
Subject: Facebook Attach EXE Vulnerability

---------------------------------------------------------------------------------
1. Summary:

When using the Facebook 'Messages' tab, there is a feature to attach a
file.
Using this feature normally, the site won't allow a user to attach an
executable file.
A bug was discovered to subvert this security mechanisms. Note, you do NOT
have
to be friends with the user to send them a message with an attachment.

---------------------------------------------------------------------------------

Read the rest of this advisory here:
http://www.securitypentest.com/2011/10/facebook-attach-exe-vulnerability.html

Enjoy :)

Nathan Power
www.securitypentest.com

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