class Rex::Parser::NexposeSimpleDocument

Attributes

text[R]

Public Instance Methods

actually_vulnerable(vuln) click to toggle source
# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 190
def actually_vulnerable(vuln)
  vuln_result = vuln["resultCode"]
  vuln_result =~ /^V[VE]$/
end
collect_device_data() click to toggle source
# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 208
def collect_device_data
  return unless in_tag("device")
  @report_data[:host] = @state[:address]
  @report_data[:state] = Msf::HostState::Alive # always
end
collect_host_fingerprint_data(name) click to toggle source
# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 222
def collect_host_fingerprint_data(name)
  return unless in_tag("device")
  return if in_tag("service")
  return unless in_tag("fingerprint")
  return unless @text
  @report_data[:host_fingerprint] ||= {}
  @report_data[:host_fingerprint].merge!(@state[:host_fingerprint])
  @report_data[:host_fingerprint][name] = @text.to_s.strip
  @text = nil
end
collect_host_vuln() click to toggle source
# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 151
def collect_host_vuln
  return unless in_tag("vulnerability")
  return unless in_tag("device")
  return if in_tag("service")
  @report_data[:vulns] ||= []
  return unless actually_vulnerable(@state[:host_vuln])
  vid = @state[:host_vuln]["id"].to_s.downcase
  vuln = {
    :name => "NEXPOSE-#{vid}",
    :info => vid,
    :refs => @state[:references]
  }
  @report_data[:vulns] << vuln
end
collect_host_vuln_id() click to toggle source
# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 109
def collect_host_vuln_id
  return unless in_tag("device")
  return unless in_tag("vulnerability")
  return if in_tag("service")
  return unless @state[:host_vuln_id]
  @state[:references] ||= []
  ref = normalize_ref( @state[:host_vuln_id]["type"], @text )
  @state[:references] << ref if ref
  @state[:host_vuln_id] = nil
  @text = nil
end
collect_service_data() click to toggle source
# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 277
def collect_service_data
  return unless in_tag("device")
  port_hash = {}
  @report_data[:ports] ||= []
  @state[:service].each do |k,v|
    case k
    when "protocol"
      port_hash[:proto] = v
    when "port"
      port_hash[:port] = v
    when "name"
      sname = v.to_s.downcase.split("(")[0].strip
      if sname == "<unknown>"
        port_hash[:name] = nil
      else
        port_hash[:name] = db.nmap_msf_service_map(sname)
      end
    end
  end
  if @state[:service_fingerprint]
    port_hash[:info] = "#{@state[:service_fingerprint]}"
  end
  @report_data[:ports] << port_hash.clone
  @state.delete :service_fingerprint
  @state.delete :service
  @report_data[:ports]
end
collect_service_fingerprint_description() click to toggle source
# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 305
def collect_service_fingerprint_description
  return unless in_tag("device")
  return unless in_tag("service")
  return unless in_tag("fingerprint")
  return unless @text
  @state[:service_fingerprint] = @text.to_s.strip
  @text = nil
end
collect_service_vuln() click to toggle source
# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 133
def collect_service_vuln
  return unless in_tag("device")
  return unless in_tag("vulnerability")
  return unless in_tag("service")
  @report_data[:vulns] ||= []
  return unless actually_vulnerable(@state[:service_vuln])
  return if @state[:service]["port"].to_i == 0
  vid = @state[:service_vuln]["id"].to_s.downcase
  vuln = {
    :name => "NEXPOSE-#{vid}",
    :info => vid,
    :refs => @state[:references],
    :port => @state[:service]["port"].to_i,
    :proto => @state[:service]["protocol"]
  }
  @report_data[:vulns] << vuln
end
collect_service_vuln_id() click to toggle source
# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 121
def collect_service_vuln_id
  return unless in_tag("device")
  return unless in_tag("vulnerability")
  return unless in_tag("service")
  return unless @state[:service_vuln_id]
  @state[:references] ||= []
  ref = normalize_ref( @state[:service_vuln_id]["type"], @text )
  @state[:references] << ref if ref
  @state[:service_vuln_id] = nil
  @text = nil
end
end_element(name=nil) click to toggle source

When we exit a tag, this is triggered.

# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 45
def end_element(name=nil)
  block = @block
  case name
  when "device" # Wrap it up
    collect_device_data
    host_object = report_host &block
    report_services(host_object)
    report_host_fingerprint(host_object)
    report_vulns(host_object)
    # Reset the state once we close a host
    @state.delete_if {|k| k != :current_tag}
    @report_data = {:wspace => @args[:wspace]}
  when "description"
    @state[:has_text] = false
    collect_service_fingerprint_description
    collect_host_fingerprint_data(name)
    @text = nil
  when "vendor", "family", "product", "version", "architecture"
    @state[:has_text] = false
    collect_host_fingerprint_data(name)
    @text = nil
  when "service"
    collect_service_data
  when "id"
    @state[:has_text] = false
    collect_service_vuln_id
    collect_host_vuln_id
    @text = nil
  when "vulnerability"
    collect_service_vuln
    collect_host_vuln
    @state[:references] = nil
  end
  @state[:current_tag].delete name
end
record_device(attrs) click to toggle source
# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 195
def record_device(attrs)
  attrs.each do |k,v|
    next unless k == "address"
    @state[:address] = v
  end
end
record_host_fingerprint(attrs) click to toggle source
# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 202
def record_host_fingerprint(attrs)
  return unless in_tag("device")
  return if in_tag("service")
  @state[:host_fingerprint] = attr_hash(attrs)
end
record_host_fingerprint_data(name, attrs) click to toggle source
# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 214
def record_host_fingerprint_data(name, attrs)
  return unless in_tag("device")
  return if in_tag("service")
  return unless in_tag("fingerprint")
  @state[:host_fingerprint] ||= {}
  @state[:host_fingerprint].merge! attr_hash(attrs)
end
record_host_vuln(attrs) click to toggle source
# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 172
def record_host_vuln(attrs)
  return unless in_tag("device")
  return if in_tag("service")
  @state[:host_vuln] = attr_hash(attrs)
end
record_host_vuln_id(attrs) click to toggle source
# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 166
def record_host_vuln_id(attrs)
  return unless in_tag("device")
  return if in_tag("service")
  @state[:host_vuln_id] = attr_hash(attrs)
end
record_service(attrs) click to toggle source
# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 266
def record_service(attrs)
  return unless in_tag("device")
  @state[:service] = attr_hash(attrs)
end
record_service_fingerprint(attrs) click to toggle source
# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 271
def record_service_fingerprint(attrs)
  return unless in_tag("device")
  return unless in_tag("service")
  @state[:service][:fingerprint] = attr_hash(attrs)
end
record_service_vuln(attrs) click to toggle source
# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 184
def record_service_vuln(attrs)
  return unless in_tag("device")
  return unless in_tag("service")
  @state[:service_vuln] = attr_hash(attrs)
end
record_service_vuln_id(attrs) click to toggle source
# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 178
def record_service_vuln_id(attrs)
  return unless in_tag("device")
  return unless in_tag("service")
  @state[:service_vuln_id] = attr_hash(attrs)
end
report_host(&block) click to toggle source
# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 233
def report_host(&block)
  if host_is_okay
    db.emit(:address,@report_data[:host],&block) if block
    host_object = db_report(:host, @report_data.merge(
      :workspace => @args[:wspace] ) )
    if host_object
      db.report_import_note(host_object.workspace, host_object)
    end
    host_object
  end
end
report_host_fingerprint(host_object) click to toggle source
# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 245
def report_host_fingerprint(host_object)
  return unless host_object.kind_of? ::Mdm::Host
  return unless @report_data[:host_fingerprint].kind_of? Hash
  @report_data[:host_fingerprint].reject! {|k,v| v.nil? || v.empty?}
  return if @report_data[:host_fingerprint].empty?
  note = {
    :workspace => host_object.workspace,
    :host => host_object,
    :type => "host.os.nexpose_fingerprint"
  }
  data = {
    :desc => @report_data[:host_fingerprint]["description"],
    :vendor => @report_data[:host_fingerprint]["vendor"],
    :family => @report_data[:host_fingerprint]["family"],
    :product => @report_data[:host_fingerprint]["product"],
    :version => @report_data[:host_fingerprint]["version"],
    :arch => @report_data[:host_fingerprint]["architecture"]
  }
  db_report(:note, note.merge(:data => data))
end
report_services(host_object) click to toggle source
# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 314
def report_services(host_object)
  return unless host_object.kind_of? ::Mdm::Host
  return unless @report_data[:ports]
  return if @report_data[:ports].empty?
  reported = []
  @report_data[:ports].each do |svc|
    reported << db_report(:service, svc.merge(:host => host_object))
  end
  reported
end
report_vulns(host_object) click to toggle source
# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 81
def report_vulns(host_object)
  vuln_count = 0
  block = @block
  return unless host_object.kind_of? ::Mdm::Host
  return unless @report_data[:vulns]
  @report_data[:vulns].each do |vuln|
    if vuln[:refs]
      vuln[:refs] << vuln[:name]
    else
      vuln[:refs] = [vuln[:name]]
    end
    vuln[:refs].uniq!
    data = {
      :workspace => host_object.workspace,
      :host => host_object,
      :name => vuln[:name],
      :info => vuln[:info],
      :refs => vuln[:refs]
    }
    if vuln[:port] && vuln[:proto]
      data[:port] = vuln[:port]
      data[:proto] = vuln[:proto]
    end
    db_report(:vuln,data)
  end

end
start_element(name=nil,attrs=[]) click to toggle source

Triggered every time a new element is encountered. We keep state ourselves with the @state variable, turning things on when we get here (and turning things off when we exit in end_element()).

# File lib/rex/parser/nexpose_simple_nokogiri.rb, line 16
def start_element(name=nil,attrs=[])
  attrs = normalize_attrs(attrs)
  block = @block
  @state[:current_tag][name] = true
  case name
  when "device"
    record_device(attrs)
  when "service"
    record_service(attrs)
  when "fingerprint"
    record_service_fingerprint(attrs)
    record_host_fingerprint(attrs)
  when "description"
    @state[:has_text] = true
    record_host_fingerprint_data(name,attrs)
  when "vendor", "family", "product", "version", "architecture"
    @state[:has_text] = true
    record_host_fingerprint_data(name,attrs)
  when "vulnerability"
    record_service_vuln(attrs)
    record_host_vuln(attrs)
  when "id"
    @state[:has_text] = true
    record_service_vuln_id(attrs)
    record_host_vuln_id(attrs)
  end
end