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Re: Exploiting XSS
From: "Adriel T. Desautels" <ad_lists () netragard com>
Date: Fri, 5 Dec 2008 19:33:45 -0500

Anthony, I'll have ti disagree with you here. To me it looks like he found the vulnerabilities by using an automated web application security scanner, not via manual testing. While I understand that you are standing up for the man (and I respect that) I do not respect people who offer protective security services when they don't know what they are doing. That in my opinion is nearly criminal because you are giving people a false sense of security. What are you going to say when they get hacked because you missed something absolutely obvious? People who pay security experts to do work should always be getting quality work.

With respect to XSS attacks, I understand them very well. I understand how to steal cookies, launch phishing attacks, even redirect and pwn browsers. My point is though, XSS does not provide you wit "Direct" methods of penetration into a system, well not in most cases anyway. In most cases its the attack that you do with XSS that then allows you to penetrate, sort of indirect.

Thanks for the offer for help by the way, but I'm all set there.

On Dec 5, 2008, at 1:53 PM, Anthony Cicalla wrote:

He obviously knows a bit of what he's doing he identified the vulnerabilities and knows what they are, he's just looking for advanced exploitation of the vulnerability to show why it's an issue to his client. Don't hate on him for asking questions. "Even Genius ask questions".

Read up on xssshell that I sent you. You will see very quickly what you can do with xssshell. Key logging, steal cookies, pretty much make that pc your zombie while the link stays established if it's persistent xss then everyone that drives by the forum becomes your zombie. If you have questions or want to discuss it more contact me offline and I will help you with what I can.

Anthony Cicalla

On Wed, Dec 3, 2008 at 12:44 PM, Adriel T. Desautels <ad_lists () netragard com > wrote:
Hi,
You should forward your customers onto someone who knows the answers to those questions already. It frightens me to think that you are offering to provide security services to people when you don't know what it is that you are doing or why a risk is a risk.


On Dec 3, 2008, at 12:08 AM, Whitehat wrote:

Dear List,

I'm doing a WAPT for a website and found many XSS issues (both Stored
and Reflected).
I wanted to do more and show to the customer, apart from normal script
injection  and  getting it popped up.

Consider that u found an XSS issue in a field and your script is running,

 1. Now what are the further steps for exploiting XSS completely????
 2. How an attacker can really make  use of  it?
 3. How to Compromise ??
 4. What are the real world scenarios can be used

Looking for few good inputs/imlementations/expolits/ BooKs ..............

Thanks in advance,

Cheers,
White hat


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Adriel T. Desautels
ad_lists () netragard com





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--
Anthony,



Adriel T. Desautels
ad_lists () netragard com




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Security Trends Report from Cenzic
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