Class: Watobo::Modules::Passive::In_script_parameter

Inherits:
PassiveCheck
  • Object
show all
Defined in:
modules/passive/in_script_parameter.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::AUTH_TYPE_UNKNOWN, 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

Constructor Details

#initialize(project) ⇒ In_script_parameter

Returns a new instance of In_script_parameter.



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# File 'modules/passive/in_script_parameter.rb', line 31

def initialize(project)
  @project = project
  super(project)
  
  @info.update(
               :check_name => 'Parameters in Script',    # name of check which briefly describes functionality, will be used for tree and progress views
  :description => "Checks if parameter values are used within script-tags.",   # description of checkfunction
  :author => "Andreas Schmidt", # author of check
  :version => "0.9"   # check version
  )
  
  @finding.update(
                  :threat => 'Parameter value may be exploitable for XSS.',        # thread of vulnerability, e.g. loss of information
  :class => "Script-Parameters",    # vulnerability class, e.g. Stored XSS, SQL-Injection, ...
  :type => FINDING_TYPE_HINT         # FINDING_TYPE_HINT, FINDING_TYPE_INFO, FINDING_TYPE_VULN 
  )
  
end

Instance Method Details

#do_test(chat) ⇒ Object 



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# File 'modules/passive/in_script_parameter.rb', line 56

def do_test(chat)
  begin
    minlen = 3
    return true unless chat.response.content_type =~ /(text|script)/
    return true unless chat.response.has_body?
    
    parm_list = chat.request.parameters(:data, :url)
    return true if parm_list.empty?
    body = chat.response.body.unpack("C*").pack("C*")
    
    doc = Nokogiri::HTML(body)
    scripts = doc.css('script')
    
    parm_list.each do |parm|
      next if parm.value.nil?
      next if parm.value.empty?
      next if parm.value.length <= minlen
                    
      pattern = Regexp.quote(CGI.unescape(parm.value))
      scripts.each do |script|
      if script.text =~ /#{pattern}/i then
       # puts "* Found: Parameter within script"
        addFinding(
                   :check_pattern => "#{parm.value}", 
                   :proof_pattern => "#{parm.value}",
                   :chat=>chat,
                   :title =>"[#{parm.value}] - #{chat.request.path}"
        )
      end
        
      end
    end
  rescue => bang
    # raise
    showError(chat.id, bang)
    #puts bang.backtrace
    
  end
end

#showError(chatid, message) ⇒ Object 



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# File 'modules/passive/in_script_parameter.rb', line 50

def showError(chatid, message)
  puts "!!! Error #{Module.nesting[0].name}"  
  puts "Chat: [#{chatid}]"
  puts message
end