Seal CLI

The Seal CLI allows users to easily replace vulnerable packages in their projects with sealed, vulnerability-free versions, which are available for download from Seal's artifact server.

Currently the CLI supports npm projects, and projects that use yarn v1. Other package managers will be added over time.

We recommended you incorporate this tool as part of the CI process immediately after the packages are pulled from the artifact server (e.g npm install). If you're using GitHub Actions as your CI just use our action.

Usage

Scanning

The scan phase does not require authentication. However, it relies on the package managers to read the project's dependency tree and parse it. Therefore, to get a complete result the dependencies must already be installed.

1. Go to the root directory of the project and install its dependencies (e.g npm install).
2. Run seal scan. To save the output as a CSV use seal scan --csv output.txt. The dependencies will be checked against several vulnerability databases (such as OSV).
3. The results will be presented as a table of packages and vulnerabilities, for example:

LIBRARY	VERSION	ECOSYSTEM	VULNERABILITIES	CAN SEAL	SEALED VERSION
d3-color	2.0.0	Node	GHSA-36jr-mh4h-2g58 (5.3)	V	2.0.0-sp1
semver	7.0.0	Node	CVE-2022-25883 (7.5)	V	7.0.0-sp1
set-value	3.0.3	Node	CVE-2021-23440 (7.3)	X
passport-saml	1.5.0	Node	CVE-2022-39299 (8.1) CVE-2021-39171 (5.3)	V	1.5.0-sp1
axios	0.21.4	Node	CVE-2023-45857 (7.1)	V	0.21.4-sp1

The CAN SEAL and SEALED VERSION columns show whether the particular vulnerable package has a patched version that is available on Seal's artifact server.

Fixing

To fix the vulnerabilities using the CLI you will need an access token to the sealed packages on the Seal artifact server. You can register here.

1. Go to the root directory of the project and install its dependencies (e.g npm install).
2. Set the access token and project ID. There are two ways to do this:
   1. Set the access token in the SEAL_TOKEN environment variable, and the project ID in SEAL_PROJECT.

   export SEAL_TOKEN=ey534tj9htrmoikNMNDakn43jaI5453tjkthspj==

   export SEAL_PROJECT=my-test-project

   2. Set the access token and project ID in the .seal-config.yml configuration file in the local work directory as in the following example:

   token: ey534tj9htrmoikNMNDakn43jaI5453tjkthspj==
   project: my-test-project

Note that the project ID is what uniquely identifies the project on the Seal platform. It may only include ASCII letters, digits, underscores, hyphens or periods, and mustn't be over 255 characters long.

3. Run seal fix --mode all. All the vulnerable packages that have sealed versions will be replaced with them in place. If you prefer to fix only specific packages, see here.

Logging verbosity can be set by providing -v, -vv or -vvv.

Fixing Specific Packages

The seal fix --mode all command fixes all the vulnerable packages for which a sealed version exists. The CLI also supports selecting which packages to fix by using --mode local together with the .seal-actions.yml file (hereby known as the local configuration file). The file is saved in the project's root directory, and contains instructions for the fix phase.

For each package you wish to fix, use the following command: seal add package-name version. For example: seal add ejs 2.7.4. This command will add to the local configuration file an instruction to replace [email protected] with its sealed version [email protected]. If the file does not exist, a new one will be generated.

To generate a local configuration file with instructions to fix everything that has a sealed version in the project, you can use seal scan --generate-local-config instead of adding packages one-by-one.

Note that it's also possible to manually edit the overrides section in the local configuration file, as its format is straightforward:

...
    overrides:
      ejs:
        2.7.4:
          use: 2.7.4-sp1

How to Contribute

We're always looking for feedback, discuss possible integrations and receive feature requests. Please open issues, pull requests, or contact us at [email protected].

About Seal Security

Seal Security is an early-stage cybersecurity startup committed to simplifying vulnerability remediation for developers and application security practitioners. For more details, visit our website.