syntribos/syntribos/tests/fuzz/command_injection.py

82 lines
3.1 KiB
Python

# Copyright 2016 Rackspace
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import syntribos
from syntribos._i18n import _
from syntribos.checks import has_string as has_string
from syntribos.checks import time_diff as time_diff
from syntribos.tests.fuzz import base_fuzz
class CommandInjectionBody(base_fuzz.BaseFuzzTestCase):
"""Test for command injection vulnerabilities in HTTP body."""
test_name = "COMMAND_INJECTION_BODY"
parameter_location = "data"
data_key = "command_injection.txt"
failure_keys = [
'uid=',
'root:',
'default=',
'[boot loader]']
def test_case(self):
self.run_default_checks()
self.test_signals.register(has_string(self))
if "FAILURE_KEYS_PRESENT" in self.test_signals:
failed_strings = self.test_signals.find(
slugs="FAILURE_KEYS_PRESENT")[0].data["failed_strings"]
self.register_issue(
defect_type="command_injection",
severity=syntribos.HIGH,
confidence=syntribos.MEDIUM,
description=("A string known to be commonly returned after a "
"successful command injection attack was "
"included in the response. This could indicate "
"a vulnerability to command injection "
"attacks.").format(failed_strings))
self.diff_signals.register(time_diff(self))
if "TIME_DIFF_OVER" in self.diff_signals:
self.register_issue(
defect_type="command_injection",
severity=syntribos.HIGH,
confidence=syntribos.MEDIUM,
description=(_("The time elapsed between the sending of "
"the request and the arrival of the res"
"ponse exceeds the expected amount of time, "
"suggesting a vulnerability to command "
"injection attacks.")))
class CommandInjectionParams(CommandInjectionBody):
"""Test for command injection vulnerabilities in HTTP params."""
test_name = "COMMAND_INJECTION_PARAMS"
parameter_location = "params"
class CommandInjectionHeaders(CommandInjectionBody):
"""Test for command injection vulnerabilities in HTTP header."""
test_name = "COMMAND_INJECTION_HEADERS"
parameter_location = "headers"
class CommandInjectionURL(CommandInjectionBody):
"""Test for command injection vulnerabilities in HTTP URL."""
test_name = "COMMAND_INJECTION_URL"
parameter_location = "url"
url_var = "FUZZ"