route-detect

Find authentication (authn) and authorization (authz) security bugs in web application routes.

Web application HTTP route authn and authz bugs are some of the most common security issues found today. These industry standard resources highlight the severity of the issue:

• 2021 OWASP Top 10 #1 - Broken Access Control
• 2021 OWASP Top 10 #7 - Identification and Authentication Failures (formerly Broken Authentication)
• 2019 OWASP API Top 10 #2 - Broken User Authentication
• 2019 OWASP API Top 10 #5 - Broken Function Level Authorization
• 2022 CWE Top 25 #14 - CWE-287: Improper Authentication
• 2022 CWE Top 25 #16 - CWE-862: Missing Authorization
• 2022 CWE Top 25 #18 - CWE-306: Missing Authentication for Critical Function
• #21 most CVEs by CWE - CWE-284: Access Control (Authorization) Issues
• #47 most CVEs by CWE - CWE-639: Access Control Bypass Through User-Controlled Key

Routes from koel streaming server

*Rails support is limited. Please see this issue for more information.

Installing

Use pip to install route-detect:

$ python -m pip install --upgrade route-detect

You can check that route-detect is installed correctly with the following command:

$ echo 'print(1 == 1)' | semgrep --config $(routes which test-route-detect) -
Scanning 1 file.

Findings:

  /tmp/stdin
     routes.rules.test-route-detect
        Found '1 == 1', your route-detect installation is working correctly

          1┆ print(1 == 1)


Ran 1 rule on 1 file: 1 finding.

Using

route-detect provides the routes CLI command and uses semgrep to search for routes.

Use the which subcommand to point semgrep at the correct web application rules:

$ semgrep --config $(routes which django) path/to/django/code

Use the viz subcommand to visualize route information in your browser:

$ semgrep --json --config $(routes which django) --output routes.json path/to/django/code
$ routes viz --browser routes.json

If you're not sure which framework to look for, you can use the special all ID to check everything:

$ semgrep --json --config $(routes which all) --output routes.json path/to/code

If you have custom authn or authz logic, you can copy route-detect's rules:

$ cp $(routes which django) my-django.yml

Then you can modify the rule as necessary and run it like above:

$ semgrep --json --config my-django.yml --output routes.json path/to/django/code
$ routes viz --browser routes.json

Contributing

route-detect uses poetry for dependency and configuration management.

Before proceeding, install project dependencies with the following command:

$ poetry install --with dev

Linting

Lint all project files with the following command:

$ poetry run pre-commit run --all-files

Testing

Run Python tests with the following command:

$ poetry run pytest --cov

Run Semgrep rule tests with the following command:

$ poetry run semgrep --test --config routes/rules/ tests/test_rules/