bugtraq - [IE 6 SP2] Possible URL Spoofing

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Message-ID: <BAY5-F18rDs9aAOPpBp000013fc@hotmail.com>
Date: Fri, 15 Oct 2004 22:50:07 +0100
From: "Andrew Hunter" <andiroohunter@....com>
To: bugtraq@...urityfocus.com
Subject: [IE 6 SP2] Possible URL Spoofing

Program: IE 6 Sp2
Version: 6.0.2900.2180.xpsp_sp2_rtm.040803-2158
OS: Windows XP Home SP2

I was just messing around with IE, playing with JavaScript.
It's a well known fact that IE lets you run javascript from the address bar:

e.g Type the following into the address bar: javascript:alert('IE Sucks Go 
Get FireFox');document.location="http://www.mozilla.org/products/firefox/";

That address will display a message box and then take you to the firefox 
download page. I then started to wonder what would happen if i set a similar 
address as my homepage. So i went and did exactly that.  It was ammusing to 
see IE display "You Smell" when i clicked the homepage button.

I closed IE, and just dismissed the idea. Later on when i clicked the IE 
logo i heard the sound that windows makes when a message box is displayed. I 
couldn't see anything and IE failed to open.

I pressed Ctrl-Alt-Del and just caught a glimps of it closing.

I experimented more with setting the homepage to different things when i 
came accross this:

javascript:document.write("<iframe src='http://www.google.com' width='100%' 
height='100%'></iframe>");

I went to www.slashdot.org and pressed my homepage button. Lo and behold 
google appeared on my screen and the address was still www.slashdot.org!

I couldn't find any JavaScript to auto set this as the homepage without 
asking the user to varify this, but i think there may be other ways in which 
this hole can be exploited!

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