full-disclosure - Re: Facebook Attach EXE Vulnerability

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Message-ID: <b72e5ea5-9f9c-4667-bf4a-213d255ed039@email.android.com>
Date: Fri, 28 Oct 2011 23:28:56 +0800
From: fengclient@...il.com
To: Vipul Agarwal <vipul@...tygeeks.com>, Nathan Power <np@...uritypentest.com>
Cc: Full Disclosure <full-disclosure@...ts.grok.org.uk>
Subject: Re: Facebook Attach EXE Vulnerability

seems they use string.endwith to decide if it is exe
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Vipul Agarwal <vipul@...tygeeks.com>写到：

Nice one Nathan :)

On Thu, Oct 27, 2011 at 9:33 PM, Dan Ballance <tzewang.dorje@...il.com> wrote:

Is this for real? If so, this is a huge scandal imho. Such a simple error for a Facebook developer to make.

On 27 Oct 2011 13:53, "Nathan Power" <np@...uritypentest.com> wrote:

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

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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_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/

-- 
Thanks and Regards,
Vipul Agarwal

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_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/