full-disclosure - Re: SecNiche : Microsoft Internet Explorer Pop up Blocker Bypassing and Dos Vulnerability

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Message-ID: <46C53932.3020401@secniche.org>
Date: Thu, 16 Aug 2007 22:59:14 -0700
From: Aditya K Sood <zeroknock@...niche.org>
To: Debasis Mohanty <debasis.mohanty.listmails@...il.com>, 
	full-disclosure@...ts.grok.org.uk,  bugtraq@...urityfocus.com, 
	websecurity@...appsec.org, "Steven M. Christey" <coley@...re.org>
Subject: Re: SecNiche : Microsoft Internet Explorer Pop up
 Blocker Bypassing and Dos Vulnerability

Debasis Mohanty wrote:
> 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. 
>
>
> -d
>
>
>
> -----Original Message-----
> From: full-disclosure-bounces@...ts.grok.org.uk
> [mailto:full-disclosure-bounces@...ts.grok.org.uk] On Behalf Of Aditya K
> Sood
> Sent: 17 August 2007 09:07
> To: full-disclosure@...ts.grok.org.uk; bugtraq@...urityfocus.com;
> websecurity@...appsec.org; 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 
> 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
>
>
> _______________________________________________
> Full-Disclosure - We believe in it.
> Charter: http://lists.grok.org.uk/full-disclosure-charter.html
> Hosted and sponsored by Secunia - http://secunia.com/
>
>
>   
Hi

"

/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./

"
                 No problem.  I think every script that runs from the 
Internet zone prompts.Mr. Debasish.
Most of the time locally it prompts too. I hope you can find any method 
that an active X control
does not prompt. You are good at bypassing things.

/"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. "
/
I think I have told the practical citation clearly. The automation object
is required. 

"
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. "

Embarrassment. Nothing lies beneath it. Critically your are too much at 
of your own in deciding.

Regards
AKS
 


                       

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