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TUCoPS :: Browsers :: hack3807.htm

Internet Explorer URL parsing vuln



Internet Explorer URL parsing vulnerability



Internet Explorer URL parsing vulnerability

Vendor Notified 09 December, 2003



# Vulnerability ##########

There is a flaw in the way that Internet Explorer displays URLs in the address bar.



By opening a specially crafted URL an attacker can open a page that appears to be from a different domain from the current location. 



# Exploit ##########

By opening a window using the http://user@domain nomenclature an attacker can hide the real location of the page by including a 0x01 character after the "@" character.

Internet Explorer doesn't display the rest of the URL making the page appear to be at a different domain. 



# POC ##########

http://www.zapthedingbat.com/security/ex01/vun1.htm 



# Tested ##########

Internet Explorer

Version 6.0.2800.1106C0

Updates: SP1, Q810847, Q810351, Q822925, Q330994, Q828750, Q824145



# Credit ##########

Zap The Dingbat

http://www.zapthedingbat.com/ 


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