On Tue, 10 Jul 2007, Thor Larholm wrote: > There is a URL protocol handler command injection vulnerability in Internet
Thor, thank you for sharing. Nice work. To paraphrase Guninski, this is still not a 0day. It is a vulnerability being disclosed. > Explorer for Windows that allows you to execute shell commands with arbitrary > arguments. This vulnerability can be triggered without user interaction > simply by visiting a webpage. > > When Internet Explorer encounters a reference to content inside a registered > URL protocol handler scheme it calls ShellExecute with the EXE image path and > passes the entire request URI without any input validation. For the sake of > demonstration I have constructed an exploit that bounces through Firefox via > the FirefoxURL protocol handler. The full advisory and a working Proof of > Concept exploit can be found at > > http://larholm.com/2007/07/10/internet-explorer-0day-exploit/ > > Cheers > Thor Larholm > _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
