Re: WordPress <= 2.8.5 Unrestricted File Upload Arbitrary PHP Code Execution

[Martin Aberastegue <xyborg () gmail com>]

The same here tested on Wordpress 2.8.5 / Apache/2.0.63 (Unix)
mod_ssl/2.0.63 OpenSSL/0.9.7a mod_auth_passthrough/2.1
mod_bwlimited/1.4 FrontPage/5.0.2.2635 - PHP/5.2.6

Regards

--
Martin Aberastegue
http://www.martinaberastegue.com/



On Thu, Nov 12, 2009 at 9:48 AM, Milan Berger
<m.berger () project-mindstorm net> wrote:
> Hi there,
>
> > IV. PROOF OF CONCEPT
> > -------------------------
> > Browser is enough to replicate this issue. Simply log in to your
> > wordpress blog as a low privileged
> > user or admin. Create a new post and use the media file upload
> > feature to upload a file:
> >
> > test-image.php.jpg
> >
> > containing the following code:
> >
> > <?php
> >       phpinfo();
> > ?>
> >
> > After the upload you should receive a positive response saying:
> >
> > test-vuln.php.jpg
> > image/jpeg
> > 2009-11-11
> >
> > and it should be possible to request the uploaded file via a link:
> > http://link-to-our-wp-unsecured-blog.com/wp-content/uploads/2009/11/test-vuln.php.jpg
>
> tried this with lighttpd and wordpress 2.8.5 and PHP 5.2.11-pl0-gentoo
> with Suhosin-Patch 0.9.7
> Shows a broken image no code executed.
>
> --
> Kind Regards
>
> Milan Berger
> Project-Mindstorm Technical Engineer
>
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