[Full-disclosure] Web 2.0 backdoors made easy with MSIE & XMLHttpRequest

[James Matthews]

Yes this is bad!

On 2/3/07, Michal Zalewski <lcamtuf at dione.ids.pl> wrote:
>
> On Sat, 3 Feb 2007, Michal Zalewski wrote:
>
> >   xmlhttp.open("GET\thttp://dione.ids.pl/\tHTTP/1.0\n\n", "x",true);
>
> Funny enough, Paul Szabo was quick to point out that Amit Klein found the
> same vector that I used here for client-side backdoors in May 2006 (still
> not patched?! *shrieks in horror*), but for cache poisoning:
>
>   "IE + some popular forward proxy servers = XSS, defacement (browser
> cache poisoning)"
>   http://www.securityfocus.com/archive/1/434931
>
> This is getting depressing. May 2006.
>
> /mz
>
>
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