Class: Watobo::Modules::Active::Flash::Crossdomain

Inherits:
ActiveCheck show all
Defined in:
modules/active/Flash/crossdomain.rb

Constant Summary

Constants included from Constants

Constants::AC_GROUP_APACHE, Constants::AC_GROUP_DOMINO, Constants::AC_GROUP_ENUMERATION, Constants::AC_GROUP_FILE_INCLUSION, Constants::AC_GROUP_FLASH, Constants::AC_GROUP_GENERIC, Constants::AC_GROUP_JBOSS, Constants::AC_GROUP_JOOMLA, Constants::AC_GROUP_SAP, Constants::AC_GROUP_SQL, Constants::AC_GROUP_TYPO3, Constants::AC_GROUP_XSS, Constants::AUTH_TYPE_BASIC, Constants::AUTH_TYPE_DIGEST, Constants::AUTH_TYPE_NONE, Constants::AUTH_TYPE_NTLM, Constants::CHAT_SOURCE_AUTO_SCAN, Constants::CHAT_SOURCE_FUZZER, Constants::CHAT_SOURCE_INTERCEPT, Constants::CHAT_SOURCE_MANUAL, Constants::CHAT_SOURCE_MANUAL_SCAN, Constants::CHAT_SOURCE_PROXY, Constants::CHAT_SOURCE_UNDEF, Constants::DEFAULT_PORT_HTTP, Constants::DEFAULT_PORT_HTTPS, Constants::FINDING_TYPE_HINT, Constants::FINDING_TYPE_INFO, Constants::FINDING_TYPE_UNDEFINED, Constants::FINDING_TYPE_VULN, Constants::FIRST_TIME_FILE, Constants::GUI_REGULAR_FONT_SIZE, Constants::GUI_SMALL_FONT_SIZE, Constants::ICON_PATH, Constants::LOG_DEBUG, Constants::LOG_INFO, Constants::SCAN_CANCELED, Constants::SCAN_FINISHED, Constants::SCAN_PAUSED, Constants::SCAN_STARTED, Constants::TE_CHUNKED, Constants::TE_COMPRESS, Constants::TE_DEFLATE, Constants::TE_GZIP, Constants::TE_IDENTITY, Constants::TE_NONE, Constants::VULN_RATING_CRITICAL, Constants::VULN_RATING_HIGH, Constants::VULN_RATING_INFO, Constants::VULN_RATING_LOW, Constants::VULN_RATING_MEDIUM, Constants::VULN_RATING_UNDEFINED

Instance Attribute Summary

Attributes inherited from ActiveCheck

#info, #numChecks

Instance Method Summary collapse

Methods inherited from ActiveCheck

#addFinding, #cancel, #checksRunning?, #continue, #disable, #do_test, #enable, #enabled=, #enabled?, #fileExists?, #getCheckCount, #log_console, #maxChecks, #maxChecks=, #postParmNames, #resetCounters, #run_checks, #stop, #updateCounters, #urlParmNames, #waitLogin

Methods inherited from Session

#addProxy, #clearEvents, #doRequest, #getProxy, #get_settings, #notify, #readHTTPBody, #runLogin, #sendHTTPRequest, #sessionSettings, #setSIDCache, #sidCache, #subscribe

Constructor Details

#initialize(project, prefs = {}) ⇒ Crossdomain

Returns a new instance of Crossdomain.



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# File 'modules/active/Flash/crossdomain.rb', line 34

def initialize(project, prefs={})
  super(project, prefs)
  @info.update(
              :check_name => 'Crossdomain Policy',    		# name of check which briefly describes functionality, will be used for tree and progress views
  		:description => "Check for crossdomain.xml weaknesses", # description of checkfunction
					:check_group => AC_GROUP_FLASH,
  		:author => "Hans-Martin Muench", 			# author of check
  		:version => "0.1"   					# check version
  )
  
  
  
  @finding.update(
              :class => "Crossdomain.xml check",    			# vulnerability class, e.g. Stored XSS, SQL-Injection, ...
  		:type => FINDING_TYPE_VULN         			# FINDING_TYPE_HINT, FINDING_TYPE_INFO, FINDING_TYPE_VULN
  )
  
  
  @checked_dirs = Hash.new
end

Instance Method Details

#generateChecks(chat) ⇒ Object 



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# File 'modules/active/Flash/crossdomain.rb', line 56

def generateChecks(chat)  
   	directory = chat.request.dir
        	if not @checked_dirs.has_key?(directory)                  
          	@checked_dirs[directory] = :checked
           	checker = proc {
              		test_request = nil
              		test_response = nil
		path = directory + "/crossdomain.xml"                     

 		# IMPORTANT!!!
               		# use copyRequest(chat) for cloning the original request 
               		test = chat.copyRequest
               		test.setDir(path)
               		status, test_request, test_response = fileExists?(test, :default => true)
	
               		if status == true 

					# Do a simple match on the response to detect
					# if we have <allow-access-from domain="*"/>
					if test_response.join =~ /<allow-access-from\s+domain="\*"\s+/i then

						proof_pattern = $~

                 			addFinding( test_request, test_response,
                        				:check_pattern => "<allow-access-from\\s+domain=\"*\"\\s+",
                        				:proof_pattern => proof_pattern.to_s,
                        				:test_item => "test-item",
                        				:chat => chat,
                        				:title => "Badly configured crossdomain.xml",
                        				:rating => VULN_RATING_CRITICAL,
                        				:threat => "The current crossdomain.xml policy allows cross domain access from everywhere",
                        				:measure => "Restrict the allowed hosts setting inside the policy", 
                        				:class => "Flash security"
                 			)
               			end
				end
               		[ test_request, test_response ]

           	}
           	yield checker
        	end # end ifnot
end

#reset ⇒ Object 



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# File 'modules/active/Flash/crossdomain.rb', line 30

def reset()
  @checked_dirs.clear  
end