On Wednesday 03 January 2007 04:20, pdp (architect) wrote:
> I will be very quick and just point to links where you can read about
> this issue.
>
> It seams that PDF documents can execute JavaScript code for no
> apparent reason by using the following template:
>
>
> http://path/to/pdf/file.pdf#whatever_name_you_want=javascript:your_code_her
>e
>
> You must understand that the attacker doesn't need to have write
> access to the specified PDF document. In order to get an XSS vector
> working you need to have a PDF file hosted on the target and that's
> all about it. The rest is just a matter of your abilities and desires.
Even more, maybe it is possible to modify content of PDF with this method.
Some way (I have not tried though) described here;
http://www.planetpdf.com/developer/article.asp?ContentID=6904
Need to write POC
Also I have to tell that my firefox crashed when I appended some random
document.write('foobar') to exploit. I suppose it wrote it to PDF memory?! In
this case we maybe can also execute code? Scary.
Tõnu