SecNiche : Microsoft Internet Explorer Pop up Blocker Bypassing and

[Aditya K Sood]

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