115 lines
4.3 KiB
Python
115 lines
4.3 KiB
Python
# Copyright 2016 Intel
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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from oslo_config import cfg
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import syntribos
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from syntribos._i18n import _
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from syntribos.checks import has_string as has_string
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from syntribos.checks import time_diff as time_diff
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from syntribos.tests.fuzz import base_fuzz
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CONF = cfg.CONF
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def user_defined_config():
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"""Create config options for user defined test."""
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user_defined_group = cfg.OptGroup(
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name="user_defined", title="Data for user defined test")
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CONF.register_group(user_defined_group)
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options = [
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cfg.StrOpt(
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"payload", help="Path to a payload data file."), cfg.StrOpt(
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"failure_keys", help="Possible failure keys")
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]
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CONF.register_opts(options, group=user_defined_group)
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class UserDefinedVulnBody(base_fuzz.BaseFuzzTestCase):
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"""Test for user defined vulnerabilities in HTTP body."""
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test_name = "USER_DEFINED_VULN_BODY"
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parameter_location = "data"
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user_defined_config()
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data_key = CONF.user_defined.payload
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failure_keys = CONF.user_defined.failure_keys
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def test_case(self):
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self.run_default_checks()
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self.test_signals.register(has_string(self))
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if "FAILURE_KEYS_PRESENT" in self.test_signals:
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failed_strings = self.test_signals.find(
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slugs="FAILURE_KEYS_PRESENT")[0].data["failed_strings"]
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self.register_issue(
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defect_type="user_defined_strings",
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severity=syntribos.MEDIUM,
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confidence=syntribos.LOW,
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description=("The string(s): '{0}', is in the list of "
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"possible vulnerable keys. This may "
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"indicate a vulnerability to this form of "
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"user defined attack.").format(failed_strings))
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self.diff_signals.register(time_diff(self))
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if "TIME_DIFF_OVER" in self.diff_signals:
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self.register_issue(
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defect_type="user_defined_string_timing",
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severity=syntribos.MEDIUM,
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confidence=syntribos.LOW,
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description=(_("A response to one of the payload requests has "
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"taken too long compared to the baseline "
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"request. This could indicate a vulnerability "
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"to time-based injection attacks using the user"
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" provided strings.")))
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@classmethod
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def get_test_cases(cls, filename, file_content, meta_vars):
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"""Generates test cases if a payload file is provided."""
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conf_var = CONF.user_defined.payload
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if conf_var is None or not os.path.isfile(conf_var):
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return
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cls.failures = []
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prefix_name = "{filename}_{test_name}_{fuzz_file}_".format(
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filename=filename,
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test_name=cls.test_name,
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fuzz_file=cls.data_key)
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fr = syntribos.tests.fuzz.datagen.fuzz_request(
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cls.init_req, cls._get_strings(), cls.parameter_location,
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prefix_name)
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for fuzz_name, request, fuzz_string, param_path in fr:
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yield cls.extend_class(fuzz_name, fuzz_string, param_path,
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{"request": request})
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class UserDefinedVulnParams(UserDefinedVulnBody):
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"""Test for user defined vulnerabilities in HTTP params."""
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test_name = "USER_DEFINED_VULN_PARAMS"
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parameter_location = "params"
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class UserDefinedVulnHeaders(UserDefinedVulnBody):
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"""Test for user defined vulnerabilities in HTTP header."""
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test_name = "USER_DEFINED_VULN_HEADERS"
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parameter_location = "headers"
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class UserDefinedVulnURL(UserDefinedVulnBody):
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"""Test for user defined vulnerabilities in HTTP URL."""
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test_name = "USER_DEFINED_VULN_URL"
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parameter_location = "url"
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url_var = "FUZZ"
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