Ensure Authentication Using Client Certificates Is Disabled
More Info:
Disable Client Certificates, which require certificate rotation, for authentication. Instead, use another authentication method like OpenID Connect.Risk Level
LowAddress
Security, Reliability, Operational Excellence, Performance EfficiencyCompliance Standards
SOC2, NISTCSF, PCIDSSTriage and Remediation
Remediation
Using Console
Using Console
To remediate the misconfiguration “Ensure Authentication Using Client Certificates Is Disabled” in GCP using GCP console, you can follow the below steps:
- Open the GCP Console and navigate to the Security Command Center.
- From the Security Command Center dashboard, select the project that you want to remediate.
- Click on the “Policy” tab and search for the policy “Ensure Authentication Using Client Certificates Is Disabled”.
- Click on the policy to view the list of non-compliant resources.
- Click on the non-compliant resource that you want to remediate.
- In the “Resource Details” page, click on the “Remediate” button.
- In the “Remediation” dialog box, select the option “Disable client certificate authentication”.
- Click on the “Remediate” button to apply the remediation.
- Once the remediation is applied, the policy status will change to “Compliant”.
- Verify that the policy is now compliant by checking the policy status and the resource details page.
Using CLI
Using CLI
To remediate the misconfiguration “Ensure Authentication Using Client Certificates Is Disabled” for GCP using GCP CLI, follow the below steps:
- Open the Cloud Shell in the GCP console.
-
Run the following command to list all the backend services in the current project:
- Identify the backend service that needs to be remediated and note down its name.
-
Run the following command to describe the backend service:
Replace
[BACKEND_SERVICE_NAME]with the name of the backend service identified in step 3. -
In the output, locate the
securityPolicyfield. If this field is set to a security policy that enforces client certificate authentication, then client certificate authentication is enabled. To disable it, you need to set thesecurityPolicyfield tonull. -
Run the following command to update the backend service and disable client certificate authentication:
Replace
[BACKEND_SERVICE_NAME]with the name of the backend service identified in step 3. -
Verify that the misconfiguration has been remediated by running the command in step 4 again and checking that the
securityPolicyfield is now set tonull.
Using Python
Using Python
To remediate the misconfiguration “Ensure Authentication Using Client Certificates is Disabled” for GCP using Python, you can follow these steps:By following these steps, you can remediate the misconfiguration “Ensure Authentication Using Client Certificates is Disabled” for GCP using Python.
- First, you need to authenticate with GCP using a service account key file. You can create a service account and download the key file from the GCP console. Then, set the environment variable
GOOGLE_APPLICATION_CREDENTIALSto the path of the key file.
- Next, you can use the
google-cloud-resource-managerlibrary to retrieve a list of all projects in your GCP organization.
- For each project, you can use the
google-cloud-computelibrary to retrieve a list of all instances in the project.
- For each instance, you can check if client certificate authentication is enabled by checking the
clientCertEnabledfield in the instance’smetadata.
- To disable client certificate authentication, you can update the instance’s metadata using the
google-cloud-computelibrary.
- Finally, you can confirm that client certificate authentication is disabled by checking the
clientCertEnabledfield in the instance’s updated metadata.