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Fetches security vulnerabilities and creates pip-constraints based on them.

Project description

security-constraints

Security-constraints is a command-line application used to fetch security vulnerabilities in Python packages from external sources and from them generate version constraints for the packages.

The constraints can then be given to pip install with the -c option, either on the command line or in a requirements file.

Installation

Just install it with pip:

pip install security-constraints

Usage

The environment variable SC_GITHUB_TOKEN needs to be set to a valid GitHub token which provides read access to public repositories. This is needed in order to access GitHub Security Advisory. Once this is set, you can simply run the program to output safe pip constraints to stdout.

>security-constraints
# Generated by security-constraints 1.0.0 on 2022-11-04T08:33:54.523625Z
# Data sources: Github Security Advisory
# Configuration: {'ignore_ids': [], 'min_severity': 'CRITICAL'}
...
vncauthproxy>=1.2.0  # CVE-2022-36436 (ID: GHSA-237r-mx84-7x8c)
waitress!=1.4.2  # CVE-2020-5236 (ID: GHSA-73m2-3pwg-5fgc)
waitress>=1.4.0  # GHSA-4ppp-gpcr-7qf6 (ID: GHSA-4ppp-gpcr-7qf6)
ymlref>0.1.1  # CVE-2018-20133 (ID: GHSA-8r8j-xvfj-36f9)
>

You can use --output to instead output to a file.

>security-constraints --output constraints.txt
>cat constraints.txt
# Generated by security-constraints 1.0.0 on 2022-11-04T08:33:54.523625Z
# Data sources: Github Security Advisory
# Configuration: {'ignore_ids': [], 'min_severity': 'CRITICAL'}
...
vncauthproxy>=1.2.0  # CVE-2022-36436 (ID: GHSA-237r-mx84-7x8c)
waitress!=1.4.2  # CVE-2020-5236 (ID: GHSA-73m2-3pwg-5fgc)
waitress>=1.4.0  # GHSA-4ppp-gpcr-7qf6 (ID: GHSA-4ppp-gpcr-7qf6)
ymlref>0.1.1  # CVE-2018-20133 (ID: GHSA-8r8j-xvfj-36f9)
>

You can provide a space-separated list of IDs of vulnerabilities that should be ignored. The IDs in question are those that appear in after ID: in the comments in the output.

>security-constraints --ignore-ids GHSA-4ppp-gpcr-7qf6 GHSA-8r8j-xvfj-36f9
# Generated by security-constraints 1.0.0 on 2022-11-04T08:33:54.523625Z
# Data sources: Github Security Advisory
# Configuration: {'ignore_ids': ['GHSA-4ppp-gpcr-7qf6', 'GHSA-8r8j-xvfj-36f9'], 'min_severity': 'CRITICAL'}
...
vncauthproxy>=1.2.0  # CVE-2022-36436 (ID: GHSA-237r-mx84-7x8c)
waitress!=1.4.2  # CVE-2020-5236 (ID: GHSA-73m2-3pwg-5fgc)
>

The IDs to ignore can also be given in a configuration file using --config. To create an initial configuration file, you can use --dump-config. This will dump the current configuration (including any --ignore-ids passed) to stdout and then exit. You can redirect this into a file to create an initial configuration file. The configuration file is in yaml format.

>security-constraints --ignore-ids GHSA-4ppp-gpcr-7qf6 GHSA-8r8j-xvfj-36f9 --dump-config > sc_config.yaml
>cat sc_config.yaml
ignore_ids:
- GHSA-4ppp-gpcr-7qf6
- GHSA-8r8j-xvfj-36f9
min_severity: CRITICAL
>security-constraints --config sc_config.yaml
# Generated by security-constraints 1.0.0 on 2022-11-04T08:33:54.523625Z
# Data sources: Github Security Advisory
# Configuration: {'ignore_ids': ['GHSA-4ppp-gpcr-7qf6', 'GHSA-8r8j-xvfj-36f9'], 'min_severity': 'CRITICAL'}
...
vncauthproxy>=1.2.0  # CVE-2022-36436 (ID: GHSA-237r-mx84-7x8c)
waitress!=1.4.2  # CVE-2020-5236 (ID: GHSA-73m2-3pwg-5fgc)
>

By default, security-constraints fetches all security vulnerabilities with severity "CRITICAL" or higher (as understood by Github Security Advisory). The minimum severity can be configured using the option --min-severity or by setting min_severity in the config file (if both are set, their common minimum will be used).

>security-constraints --min-severity high

Contributing

Pull requests as well as new issues are welcome.

Code style: black CI

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