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SecNiche : Microsoft Internet Explorer Pop up Blocker Bypassing and Dos Vulnerability

Advisory : Microsoft Internet Explorer Pop up Blocker Bypassing and Dos Vulnerability 

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 :
http://www.secniche.org/advisory/Internet_Pop_Phish_Dos_Adv.pdf
http://www.secniche.org/adv.html


Proof of Concept : Level 1 Infection Test
http://www.secniche.org/misc/ie_pop_by_level1_test.zip
Test run fine locally as well with Web server [IIS] automated server object calling. Infection 
through Active X Object.

Regards
AKS aka 0kn0ck
http://www.secniche.org