Re: recent 'cross site scripting' CERT advisory

[mikael.olsson () ENTERNET SE (Mikael Olsson)]

Taneli Huuskonen wrote:
> Now, if trusted.com's
> webserver refused to serve anything else but the index page unless the
> Referer: field contained a trusted.com URL, this attack would be foiled.
>
> Now, is there a way to trick a browser into lying about the referrer?

According to
http://www.securiteam.com/securitynews/DHTML_makes_HTTP_REFERER_an_unreliable_sanity_check.html

it is possible for DHTML to lie about the referer.

(I believe this was originally a post here on Bugtraq, but I might
be wrong; could be some other mailing list I'm on too..)

/Mike

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