Class: Watobo::Modules::Active::Xss::Xss_ng
- Inherits:
-
ActiveCheck
- Object
- Session
- ActiveCheck
- Watobo::Modules::Active::Xss::Xss_ng
- Defined in:
- modules/active/xss/xss_ng.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 Method Summary collapse
- #generateChecks(chat) ⇒ Object
-
#initialize(project, prefs = {}) ⇒ Xss_ng
constructor
A new instance of Xss_ng.
- #reset ⇒ Object
Methods included from CheckInfoMixin::InfoMethods
Constructor Details
#initialize(project, prefs = {}) ⇒ Xss_ng
Returns a new instance of Xss_ng.
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# File 'modules/active/xss/xss_ng.rb', line 65 def initialize(project, prefs={}) super(project, prefs) @envelop = "watobo" @env_count = 0 @evasions = [ "%0a", "%00"] @xss_chars= %w( < > ' " ) @escape_chars = ['\\'] @additional_parms = [] def reset @additional_parms = [] @env_count = 0 end end |
Instance Method Details
#generateChecks(chat) ⇒ Object
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# File 'modules/active/xss/xss_ng.rb', line 85 def generateChecks(chat) begin # if chat.response.respond_to? :input_fields chat.response.input_fields do |field| @additional_parms << field.to_www_form_parm if chat.request.method_post? @additional_parms << field.to_url_parm end end @parm_list = chat.request.parameters(:data, :url) @parm_list.concat @additional_parms @parm_list.each do |parm| #log_console( "#{parm.location} - #{parm.name} = #{parm.value}") checks = [] @xss_chars.each do |xss| @env_count += 1 check_id = "#{@envelop}#{@env_count}" checks << [ xss.dup, "#{xss}", check_id ] checks << [xss.dup, "#{parm.value}#{xss}", check_id ] checks << [xss.dup, "#{xss}#{parm.value}", check_id ] end checker = proc { results = {} = 0 test_request = nil test_response = nil # first we check, if parameter is injectable test = chat.copyRequest proof = "INJ#{Time.now.to_i.to_s}" parm.value = proof test.set parm test_request,test_response = doRequest(test) next [ test_request, test_response ] unless test_response.has_body? next [ test_request, test_response ] unless test_response.body =~ /#{proof}/i checks.each do |xss, check, check_id| # accept only one (escape) char between check_id and check string proof = "#{check_id}([^#{Regexp.quote(check)}]?(#{Regexp.quote(check)}){1})" next if results.has_key? xss test = chat.copyRequest parm.value = check_id + CGI.escape(check) test.set parm test_request,test_response = doRequest(test) if not test_response then if $DEBUG puts "[#{Module.nesting[0].name}] got no response :(" puts test end elsif test_response.join =~ /#{proof}/i match = $1 #puts "MATCH: [ #{match} ] / [ #{check} ]" if match == check results[xss] = { :match => :full, :check => check, :proof => proof } end unless results.has_key? xss @escape_chars.each do |ec| ep = Regexp.quote("#{ec}#{xss}") # puts "Escaped: #{match} / #{ep}" results[xss] = { :match => :escaped, :check => check, :proof => proof, :escape_char => "#{ec}"} if match =~ /#{ep}/ end end end end puts results.to_yaml if $DEBUG xss_combo = "" combo_patterns = [] results.each do |k,v| mp = CGI.escape(k) rp = CGI.escape(@xss_chars.join) xss_combo += CGI.escape(k) #puts "[#{k}] - #{v}" case v[:match] when :full += 100/@xss_chars.length combo_patterns << k when :escaped += 100/(@xss_chars.length*4) combo_patterns << Regexp.quote("#{v[:escape_char]}#{k}") end end if > 0 test = chat.copyRequest #puts "COMBO-REQUEST: #{xss_combo}" parm.value = "#{@envelop}#{@env_count}#{xss_combo}" pattern = "(#{@envelop}#{@env_count}(#{combo_patterns.join("|")})+)" test.set parm match = "" test_request,test_response = doRequest(test) if not test_response then puts "got no response :(" elsif test_response.join =~ /#{pattern}/i match = $1 #puts "MATCH: #{match}" end fclass = "Reflected XSS - #{}%" fclass = "Reflected XSS (POST) - #{}%" if parm.location == :data addFinding( test_request, test_response, :check_pattern => xss_combo, :proof_pattern => "#{match}", :test_item => parm.name, :class => fclass, :chat => chat, :title => "[#{parm.name}] - #{test_request.path}" ) end [ test_request, test_response ] } yield checker end rescue => bang puts bang puts bang.backtrace if $DEBUG puts "ERROR!! #{Module.nesting[0].name}" raise end end |
#reset ⇒ Object
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# File 'modules/active/xss/xss_ng.rb', line 76 def reset @additional_parms = [] @env_count = 0 end |