Re: [Full-disclosure] Facebook Attach EXE Vulnerability

[fengclient@xxxxxxxxx]

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

Nice one Nathan :)

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

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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.


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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/




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Thanks and Regards,
Vipul Agarwal

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