Class: Arachni::Checks::UnencryptedPasswordForms

Inherits:
Arachni::Check::Base show all
Defined in:
components/checks/passive/grep/unencrypted_password_forms.rb

Overview

Unencrypted password form

Looks for password inputs that don't submit data over an encrypted channel (HTTPS).

Constant Summary

Constants included from Arachni::Check::Auditor

Arachni::Check::Auditor::DOM_ELEMENTS_WITH_INPUTS, Arachni::Check::Auditor::ELEMENTS_WITH_INPUTS, Arachni::Check::Auditor::FILE_SIGNATURES, Arachni::Check::Auditor::FILE_SIGNATURES_PER_PLATFORM, Arachni::Check::Auditor::Format, Arachni::Check::Auditor::SOURCE_CODE_SIGNATURES_PER_PLATFORM

Constants included from Arachni

BANNER, Arachni::Cookie, Form, Header, JSON, Link, LinkTemplate, NestedCookie, Severity, UIForm, UIInput, VERSION, WEBSITE, WIKI, XML

Instance Attribute Summary

Attributes included from Arachni::Check::Auditor

#framework, #page

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Arachni::Check::Base

#browser_cluster, #clean_up, elements, exempt_platforms, has_exempt_platforms?, has_platforms?, #initialize, platforms, #plugins, prefer, #preferred, preferred, #prepare, #session, supports_platforms?

Methods included from Arachni::Check::Auditor

#audit, #audit_differential, #audit_signature, #audit_timeout, #audited, #audited?, #buffered_audit, #each_candidate_dom_element, #each_candidate_element, has_timeout_candidates?, #http, #initialize, #log, #log_issue, #log_remote_file, #log_remote_file_if_exists, #match_and_log, #max_issues, #preferred, reset, #skip?, timeout_audit_run, #trace_taint, #with_browser, #with_browser_cluster

Methods inherited from Arachni::Component::Base

author, description, fullname, #shortname, shortname, shortname=, version

Methods included from Arachni::Component::Output

#depersonalize_output, #depersonalize_output?, #intercept_print_message

Methods included from UI::Output

#caller_location, #debug?, #debug_level, #debug_level_1?, #debug_level_2?, #debug_level_3?, #debug_level_4?, #debug_off, #debug_on, #disable_only_positives, #error_buffer, #error_log_fd, #error_logfile, #has_error_log?, #included, #log_error, #mute, #muted?, #only_positives, #only_positives?, #print_bad, #print_debug, #print_debug_backtrace, #print_debug_exception, #print_debug_level_1, #print_debug_level_2, #print_debug_level_3, #print_debug_level_4, #print_error, #print_error_backtrace, #print_exception, #print_info, #print_line, #print_ok, #print_status, #print_verbose, #reroute_to_file, #reroute_to_file?, reset_output_options, #set_error_logfile, #unmute, #verbose?, #verbose_off, #verbose_on

Methods included from Arachni::Component::Utilities

#read_file

Methods included from Utilities

#available_port, available_port_mutex, #bytes_to_kilobytes, #bytes_to_megabytes, #caller_name, #caller_path, #cookie_decode, #cookie_encode, #cookies_from_file, #cookies_from_parser, #cookies_from_response, #exception_jail, #exclude_path?, #follow_protocol?, #form_decode, #form_encode, #forms_from_parser, #forms_from_response, #full_and_absolute_url?, #generate_token, #get_path, #hms_to_seconds, #html_decode, #html_encode, #include_path?, #links_from_parser, #links_from_response, #normalize_url, #page_from_response, #page_from_url, #parse_set_cookie, #path_in_domain?, #path_too_deep?, #port_available?, #rand_port, #random_seed, #redundant_path?, #regexp_array_match, #remove_constants, #request_parse_body, #seconds_to_hms, #skip_page?, #skip_path?, #skip_resource?, #skip_response?, #to_absolute, #uri_decode, #uri_encode, #uri_parse, #uri_parse_query, #uri_parser, #uri_rewrite

Methods included from Arachni

URI, collect_young_objects, #get_long_win32_filename, jruby?, null_device, profile?, windows?

Constructor Details

This class inherits a constructor from Arachni::Check::Base

Class Method Details

.infoObject


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# File 'components/checks/passive/grep/unencrypted_password_forms.rb', line 41

def self.info
    {
        name:        'Unencrypted password forms',
        description: %q{Looks for password inputs that don't submit data
            over an encrypted channel (HTTPS).},
        elements:    [ Element::Form ],
        author:      'Tasos "Zapotek" Laskos <[email protected]> ',
        version:     '0.2.2',

        issue:       {
            name:            %q{Unencrypted password form},
            description:     %q{
The HTTP protocol by itself is clear text, meaning that any data that is
transmitted via HTTP can be captured and the contents viewed.

To keep data private, and prevent it from being intercepted, HTTP is often
tunnelled through either Secure Sockets Layer (SSL), or Transport Layer Security
(TLS).
When either of these encryption standards are used it is referred to as HTTPS.

Cyber-criminals will often attempt to compromise credentials passed from the
client to the server using HTTP.
This can be conducted via various different Man-in-The-Middle (MiTM) attacks or
through network packet captures.

Arachni discovered that the affected page contains a `password` input, however,
the value of the field is not sent to the server utilising HTTPS. Therefore it
is possible that any submitted credential may become compromised.
},
            references:  {
                'OWASP Top 10 2010' => 'http://www.owasp.org/index.php/Top_10_2010-A9-Insufficient_Transport_Layer_Protection'
            },
            tags:            %w(unencrypted password form),
            cwe:             319,
            severity:        Severity::MEDIUM,
            remedy_guidance: %q{
The affected site should be secured utilising the latest and most secure encryption
protocols.
These include SSL version 3.0 and TLS version 1.2. While TLS 1.2 is the latest
and the most preferred protocol, not all browsers will support this encryption
method. Therefore, the more common SSL is included. Older protocols such as SSL
version 2, and weak ciphers (< 128 bit) should also be disabled.
}
        }
    }
end

Instance Method Details

#check_and_log(form) ⇒ Object


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# File 'components/checks/passive/grep/unencrypted_password_forms.rb', line 22

def check_and_log( form )
    return if !check_form?( form )

    form.inputs.each do |name, v|
        next if form.field_type_for( name ) != :password

        cform = form.dup
        cform.affected_input_name = name
        log( vector: cform, proof: form.source )
    end

    audited form.id
end

#check_form?(form) ⇒ Boolean

Returns:

  • (Boolean)

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# File 'components/checks/passive/grep/unencrypted_password_forms.rb', line 36

def check_form?( form )
    uri_parse( form.action ).scheme == 'http' ||
        audited?( form.id ) || !form.requires_password?
end

#runObject


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# File 'components/checks/passive/grep/unencrypted_password_forms.rb', line 18

def run
    page.forms.each { |form| check_and_log( form ) }
end