Re: Facebook Attach EXE Vulnerability

[Pablo Ximenes <pablo () ximen es>]

I see. I have seen this kinda behavior from vendors too often. I supose the
reason for this is the flood of false positives. I think they need a better
way to sift the wheat from the chaff.

Congrats for your work!

2011/10/28 Nathan Power <np () securitypentest com>

> I was basically told that Facebook didn't see it as an issue and I was
> puzzled by that. Ends up the Facebook security team had issues reproducing
> my work and that's why they initially disgarded it. After publishing, the
> Facebook security team re-examined the issue and by working with me they
> seem to have been able to reproduce the bug.
>
>
> Nathan Power
> www.securitypentest.com
>
>
> On Fri, Oct 28, 2011 at 11:18 AM, Pablo Ximenes <pablo () ximen es> wrote:
>
> > Not fixed yet. At least not yesterday when I checked.
> >
> > Nathan, didn't Facebook ask for some time to fix this bug after they have
> > acknowledged it?
> >
> >
> > Pablo Ximenes
> > <http://ximen.es/>http://ximen.es/
> > <http://twitter.com/pabloximenes>http://twitter.com/pabloximenes
> >
> > Em 27/10/2011, às 19:29, Joshua Thomas < <rappercrazzy () gmail com>
> > rappercrazzy () gmail com> escreveu:
> >
> >  can't believe such was on FB  .... wahahaha !!! lol ....rofl ...
> >
> > When was this discovered and fixed ?
> >
> >
> > On Thu, Oct 27, 2011 at 1:02 AM, Nathan Power < <np () securitypentest com><np () securitypentest com>
> > np () securitypentest 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><http://www.securitypentest.com/2011/10/facebook-attach-exe-vulnerability.html>
> > > http://www.securitypentest.com/2011/10/facebook-attach-exe-vulnerability.html
> > >
> > >
> > > Enjoy :)
> > >
> > >
> > > Nathan Power
> > > <http://www.securitypentest.com> <http://www.securitypentest.com>
> > > www.securitypentest.com
> > >
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