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Date: Wed, 15 Aug 2007 22:27:08 +0530
From: "Debasis Mohanty" <>
To: "'Aditya K Sood'" <>,
	<>, <>,
	<>, "'Steven M. Christey'" <>
Subject: RE: [Full-disclosure] SecNiche : Microsoft Internet Explorer Pop up Blocker Bypassing and Dos Vulnerability

No offence intended but if you take a little more effort of validating your
work before posting publicly then you can save yourself from embarrassment. 

I don't see anything in the script that can bypass zone security and run
successfully from internet zone. I am sure you have tested it locally and
drawn conclusion that the script can execute from internet zone. To test the
script from internet zone, you need to upload it to a webserver and try
accessing via browser. 

Any VB/Java script will run from local security with a charm but if you can
make it run from internet zone (without a prompt) then you found a holy
grail. However I don't see anything in the script which can defeat zone
security and access registry, hence no vulnerability. 

The best way to validate your work before posting publicly is, run it
through the vendor or third party security sites like secunia or idefence.
This would certainly save you from public embarrassment. 


-----Original Message-----
[] On Behalf Of Aditya K
Sent: 17 August 2007 09:07
To:;;; Steven M. Christey
Subject: [Full-disclosure] SecNiche : Microsoft Internet Explorer Pop up
Blocker Bypassing and Dos Vulnerability

Advisory : Microsoft Internet Explorer Pop up Blocker Bypassing and Dos 

Dated : 15 August 2007

Severity : Critical

Explanation :

The vulnerability persists in the popup blocker functioning to allow 
specific websites to execute
popup in the running instance of Internet Explorer. An attacker can 
easily exploits it by enabling
a browser to run a malicious script in the context of Internet Explorer. 
The script manipulates the
registry entries for specific websites through Javascript. It adds fake 
or malicious websites as an
allowed websites in the pop up blocker. The cause user visiting a 
untrusted website or any othe
malicious cause.

Detail Advisory :

Proof of Concept : Level 1 Infection Test

Test run fine locally as well with Web server [IIS] automated server 
object calling. Infection
through Active X Object.

AKS aka 0kn0ck

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