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GCP Threats
Consider GKE Sandbox For Running Untrusted Workloads
More Info:
Use GKE Sandbox to restrict untrusted workloads as an additional layer of protection when running in a multi-tenant environment.
Risk Level
High
Address
Security, Reliability, Operational Excellence, Performance Efficiency
Compliance Standards
CISGKE
Triage and Remediation
Remediation
To remediate the misconfiguration “Consider GKE Sandbox For Running Untrusted Workloads” for GCP using the GCP console, you can follow these steps:
-
Open the Google Cloud Console and navigate to the GKE cluster that you want to remediate.
-
Click on the “Workloads” tab and select the workload that you want to run in the GKE Sandbox.
-
Click on the “Edit” button to open the workload configuration.
-
In the “Security” section of the configuration, enable the “Sandbox” option.
-
Click on the “Save” button to apply the changes.
-
Verify that the workload is now running in the GKE Sandbox by checking the “Status” column in the “Workloads” tab. The status should be “Running” with a green checkmark.
-
Repeat steps 2-6 for any other workloads that need to be remediated.
By enabling the GKE Sandbox for running untrusted workloads, you are providing an additional layer of security to your GKE cluster by running potentially malicious workloads in a secure, isolated environment.
The misconfiguration of using GKE Sandbox for running untrusted workloads can be remediated in GCP using the following steps through GCP CLI:
-
Firstly, check if there are any workloads running on GKE Sandbox that are untrusted. This can be done by running the following command in GCP CLI:
gcloud alpha container node-pools describe [NODE_POOL_NAME] --cluster=[CLUSTER_NAME] --zone=[ZONE]
Replace
[NODE_POOL_NAME]
,[CLUSTER_NAME]
and[ZONE]
with the corresponding values for your GKE Sandbox. -
If there are any workloads running on GKE Sandbox that are untrusted, create a new node pool with the appropriate security settings. This can be done by running the following command in GCP CLI:
gcloud beta container node-pools create [NEW_NODE_POOL_NAME] --cluster=[CLUSTER_NAME] --zone=[ZONE] --sandbox=unconfined
Replace
[NEW_NODE_POOL_NAME]
,[CLUSTER_NAME]
and[ZONE]
with the corresponding values for your GKE Sandbox. The--sandbox=unconfined
flag will create a new node pool with unrestricted sandboxing, which is suitable for running untrusted workloads. -
Migrate the workloads from the old node pool to the new node pool. This can be done by running the following command in GCP CLI:
kubectl drain [NODE_NAME] --ignore-daemonsets --delete-local-data
Replace
[NODE_NAME]
with the name of the node that is running the untrusted workload. This command will safely evict all the pods running on the node. -
Delete the old node pool. This can be done by running the following command in GCP CLI:
gcloud beta container node-pools delete [NODE_POOL_NAME] --cluster=[CLUSTER_NAME] --zone=[ZONE]
Replace
[NODE_POOL_NAME]
,[CLUSTER_NAME]
and[ZONE]
with the corresponding values for your GKE Sandbox.
By following these steps, you can remediate the misconfiguration of using GKE Sandbox for running untrusted workloads in GCP using GCP CLI.
To remediate the misconfiguration “Consider GKE Sandbox For Running Untrusted Workloads” for GCP using Python, follow the below steps:
-
Install the necessary libraries:
pip install google-auth google-auth-oauthlib google-auth-httplib2 google-cloud-container
-
Set the project ID and cluster name for which you want to enable GKE Sandbox.
project_id = "your-project-id" cluster_name = "your-cluster-name"
-
Authenticate using your Google Cloud credentials:
from google.oauth2 import service_account credentials = service_account.Credentials.from_service_account_file('path/to/your/credentials.json')
-
Enable GKE Sandbox for the cluster:
from google.cloud import container_v1 client = container_v1.ClusterManagerClient(credentials=credentials) cluster = client.get_cluster(project_id, "us-central1", cluster_name) if not cluster.sandbox_config: sandbox_config = container_v1.SandboxConfig(pod_sandbox_spec=container_v1.PodSandboxConfig()) cluster.sandbox_config = sandbox_config update_request = container_v1.UpdateClusterRequest(cluster=cluster, update_mask={"paths": ["sandbox_config"]}) operation = client.update_cluster(update_request) operation.result()
-
Verify that GKE Sandbox is enabled:
cluster = client.get_cluster(project_id, "us-central1", cluster_name) if cluster.sandbox_config: print("GKE Sandbox is enabled for the cluster.") else: print("GKE Sandbox is not enabled for the cluster.")
By following these steps, you can remediate the misconfiguration “Consider GKE Sandbox For Running Untrusted Workloads” for GCP using Python.