Re: Binary Planting Goes "Any File Type"

[Mario Vilas <mvilas () gmail com>]

Actually you *can* launch an executable that way, if you add a couple
more clicks afterwards, or you right click on the file and choose a
non default menu option. It's no more ridiculous than any other social
engineering that requires people to hit a hotkey they probably never
heard of and browse all the way to your malicious file...

IMHO what you're reporting is a great way to improve social
engineering attacks. But you should flag it as such rather than
calling it a 0day just for the sake of the fancy word. This is not a
demerit of your work in any way, it's just a matter of using the
proper vocabulary.

On Sat, Jul 9, 2011 at 1:11 AM, Mitja Kolsek
<mitja.kolsek () acrossecurity com> wrote:
> Ok, Dan, just for you:
>
> Launch Internet Explorer 9 on Windows 7 (probably other IE/Win works too), go to File->Open (or press Ctrl+O), browse 
> to Test.html and open it. No double-clicking and you couldn't launch an executable this way. Better?
>
> Cheers,
> Mitja
>
> On Jul 8, 2011, at 9:10 PM, Dan Kaminsky <dan () doxpara com> wrote:
>
> > And here's where your exploit stops being one:
> >
> > ===
> > Suppose the current version of Apple Safari (5.0.5) is our default web
> > browser. If we put the above files in the same directory (on a local
> > drive or a remote share) and double-click Test.html, what happens is
> > the following:
> > ===
> >
> > At this point, Test.html might actually be test.exe with the HTML icon
> > embedded.  Everything else then is unnecessary obfuscation -- code
> > execution was already possible the start by design.
> >
> > This is a neat vector though, and it's likely that with a bit more
> > work it could be turned into an actual RCE.
> >
> > On Fri, Jul 8, 2011 at 10:38 AM, ACROS Security Lists <lists () acros si> wrote:
> > > We published a blog post on a nice twist to binary planting which we call "File
> > > Planting." There'll be much more of this from us in the future, but here's the first
> > > sample for you to (hopefully) enjoy.
> > >
> > > http://blog.acrossecurity.com/2011/07/binary-planting-goes-any-file-type.html
> > >
> > > or
> > >
> > > http://bit.ly/nXmRFD
> > >
> > >
> > > Best regards,
> > >
> > > Mitja Kolsek
> > > CEO&CTO
> > >
> > > ACROS, d.o.o.
> > > Makedonska ulica 113
> > > SI - 2000 Maribor, Slovenia
> > > tel: +386 2 3000 280
> > > fax: +386 2 3000 282
> > > web: http://www.acrossecurity.com
> > > blg: http://blog.acrossecurity.com
> > >
> > > ACROS Security: Finding Your Digital Vulnerabilities Before Others Do
> > >
> > >
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