full-disclosure - Re: Internet Explorer URL parsing vulnerability

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From: jsage at finchhaven.com (John Sage)
Subject: Re: Internet Explorer URL parsing vulnerability

On Thu, Dec 11, 2003 at 07:20:14PM +0000, petard wrote:
> From: petard <petard@...eshell.org>
> To: full-disclosure@...ts.netsys.com
> Subject: Re: [Full-Disclosure] Re: Internet Explorer URL parsing vulnerability
> User-Agent: Mutt/1.4.1i
> Date: Thu, 11 Dec 2003 19:20:14 +0000
> 
> On Thu, Dec 11, 2003 at 11:49:07AM -0600, Schmehl, Paul L wrote:
> > Hey, I like that one.  That's the first time I've even been to slashdot
> > and see www.microsoft.com in the address bar.  :-)
> >  
> It gets better... it works with SSL sites as well. The little lock, and
> no warning message:
> http://petard.freeshell.org/hotmail-pr.html

It's interesting to note that, for Opera 7.11 under Linux, not only
does Opera return a dialog box asking for confirmation, but that in
the title bar the 0x01 is actually displayed at its proper location in
the URL...

(see attached 0x01_url_before.png)


Upon confirming the dialog, Opera displays the following in the
address bar:

https://www.hotmail.com @www.hushmail.com/

with an actual gap of some sort between the www.hotmail.com and the @
thus:

(see attached 0x01_url_after.png)



- John
-- 
"Most people don't type their own logfiles;  but, what do I care?"
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John Sage: InfoSec Groupie
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