On Wed, Sep 10, 2008 at 05:08:26PM +0100, Rory Browne wrote:
> > case 1:
> > http://www.paypal.com/dummy_stuff@www.attacker.com> > this goes to the www.paypal.com site, then a script in the site redirects
> > the reader to www.attacker.com. For this to work, it is assumed that
> > www.paypal.com has that script, and that it doesn't check for phishing
> > redirection URLs.
> >
>> Nope - that doesn't go near www.paypal.com.
>> That would in theory, go to www.attacker.com and present
> www.paypal.com/dummy_stuff as a username.
>
Nope - if it has a / after the first domain - it does actually try ..
Try http://www.thisdomaindoesnotexistreally.com/some_stuff@www.linux.ie
if you disbelieve it
You'll get a DNS Error - as it fails DNS lookup on
www.thisdomaindoesnotexistreally.com
http://www.thisdomaindoesnotexistreally.com:password@www.linux.ie
however will pass www.thisdomaindoesnotexistreally.com as the username
and 'password' as the password to www.linux.ie - going nowhere near
www.thisdomaindoesnotexistreally.com
It's a subtle, but interesting difference ... caught me out too, which
was why I asked Kae to post the follow-up !
P
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