form_autocomplete

2013-06-10T23:02:10
ID W3AF:5A99645032351471A204535104994C0A
Type w3af
Reporter andresriancho
Modified 2015-12-04T12:47:19

Description

This plugin greps every page for autocomplete-able forms containing password-type inputs.

Plugin type

Grep

Options

This plugin doesn't have any user configured options.

Source

For more information about this plugin and the associated tests, there's always the source code to understand exactly what's under the hood:
Plugin source code
Unittest source code

Dependencies

This plugin has no dependencies.

                                        
                                            """
form_autocomplete.py

Copyright 2010 Andres Riancho

This file is part of w3af, http://w3af.org/ .

w3af is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation version 2 of the License.

w3af is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with w3af; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

"""
import w3af.core.data.parsers.parser_cache as parser_cache

from w3af.core.controllers.exceptions import BaseFrameworkException
from w3af.core.controllers.plugins.grep_plugin import GrepPlugin
from w3af.core.data.parsers.utils.form_constants import INPUT_TYPE_PASSWD
from w3af.core.data.kb.info import Info
from w3af.core.data.kb.info_set import InfoSet


class form_autocomplete(GrepPlugin):
    """
    Grep every page for detection of forms with 'autocomplete' capabilities
    containing password-type inputs.

    :author: Javier Andalia (jandalia =at= gmail.com)
    :author: Andres Riancho (andres.riancho =at= gmail.com)
    """
    def grep(self, request, response):
        """
        Plugin entry point, test existence of HTML auto-completable forms
        containing password-type inputs. Either form's <autocomplete> attribute
        is not present or is 'off'.

        :param request: The HTTP request object.
        :param response: The HTTP response object
        :return: None, all results are saved in the kb.
        """
        if not response.is_text_or_html():
            return

        try:
            doc_parser = parser_cache.dpc.get_document_parser_for(response)
        except BaseFrameworkException:
            return

        for form in doc_parser.get_forms():

            # Only analyze forms which have autocomplete enabled at <form>
            if form.get_autocomplete() is False:
                continue

            for form_field_list in form.meta.itervalues():
                for form_field in form_field_list:
                    if form_field.input_type != INPUT_TYPE_PASSWD:
                        continue

                    if not form_field.autocomplete:
                        continue

                    url = response.get_url()
                    desc = ('The URL: "%s" has a "<form>" element with '
                            'auto-complete enabled.')
                    desc %= url

                    i = Info('Auto-completable form', desc, response.id,
                             self.get_name())
                    i.add_to_highlight('autocomplete')
                    i.set_url(url)
                    i[AutoCompleteInfoSet.ITAG] = form.get_action().uri2url()

                    self.kb_append_uniq_group(self, 'form_autocomplete', i,
                                              group_klass=AutoCompleteInfoSet)
                    break

    def get_long_desc(self):
        """
        :return: A DETAILED description of the plugin functions and features.
        """
        return """
        This plugin greps every page for autocomplete-able forms containing 
        password-type inputs.
        """


class AutoCompleteInfoSet(InfoSet):
    ITAG = 'action'
    TEMPLATE = (
        'The application contains {{ uris|length }} different URLs with a'
        ' <form> element which has auto-complete enabled for password fields.'
        ' The first {{ uris|sample_count }} vulnerable URLs are:\n'
        ''
        '{% for url in uris[:10] %}'
        ' - {{ url }}\n'
        '{% endfor %}'
    )