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kube-bench/cfg/eks-1.0.1/policies.yaml
2022-03-13 09:27:25 +02:00

212 lines
7.8 KiB
YAML

---
controls:
version: "eks-1.0.1"
id: 4
text: "Policies"
type: "policies"
groups:
- id: 4.1
text: "RBAC and Service Accounts"
checks:
- id: 4.1.1
text: "Ensure that the cluster-admin role is only used where required (Manual)"
type: "manual"
remediation: |
Identify all clusterrolebindings to the cluster-admin role. Check if they are used and
if they need this role or if they could use a role with fewer privileges.
Where possible, first bind users to a lower privileged role and then remove the
clusterrolebinding to the cluster-admin role :
kubectl delete clusterrolebinding [name]
scored: false
- id: 4.1.2
text: "Minimize access to secrets (Manual)"
type: "manual"
remediation: |
Where possible, remove get, list and watch access to secret objects in the cluster.
scored: false
- id: 4.1.3
text: "Minimize wildcard use in Roles and ClusterRoles (Manual)"
type: "manual"
remediation: |
Where possible replace any use of wildcards in clusterroles and roles with specific
objects or actions.
scored: false
- id: 4.1.4
text: "Minimize access to create pods (Manual)"
type: "manual"
remediation: |
Where possible, remove create access to pod objects in the cluster.
scored: false
- id: 4.1.5
text: "Ensure that default service accounts are not actively used. (Manual)"
type: "manual"
remediation: |
Create explicit service accounts wherever a Kubernetes workload requires specific access
to the Kubernetes API server.
Modify the configuration of each default service account to include this value
automountServiceAccountToken: false
scored: false
- id: 4.1.6
text: "Ensure that Service Account Tokens are only mounted where necessary (Manual)"
type: "manual"
remediation: |
Modify the definition of pods and service accounts which do not need to mount service
account tokens to disable it.
scored: false
- id: 4.2
text: "Pod Security Policies"
checks:
- id: 4.2.1
text: "Minimize the admission of privileged containers (Automated)"
type: "manual"
remediation: |
Create a PSP as described in the Kubernetes documentation, ensuring that
the .spec.privileged field is omitted or set to false.
scored: false
- id: 4.2.2
text: "Minimize the admission of containers wishing to share the host process ID namespace (Automated)"
type: "manual"
remediation: |
Create a PSP as described in the Kubernetes documentation, ensuring that the
.spec.hostPID field is omitted or set to false.
scored: false
- id: 4.2.3
text: "Minimize the admission of containers wishing to share the host IPC namespace (Automated)"
type: "manual"
remediation: |
Create a PSP as described in the Kubernetes documentation, ensuring that the
.spec.hostIPC field is omitted or set to false.
scored: false
- id: 4.2.4
text: "Minimize the admission of containers wishing to share the host network namespace (Automated)"
type: "manual"
remediation: |
Create a PSP as described in the Kubernetes documentation, ensuring that the
.spec.hostNetwork field is omitted or set to false.
scored: false
- id: 4.2.5
text: "Minimize the admission of containers with allowPrivilegeEscalation (Automated)"
type: "manual"
remediation: |
Create a PSP as described in the Kubernetes documentation, ensuring that the
.spec.allowPrivilegeEscalation field is omitted or set to false.
scored: false
- id: 4.2.6
text: "Minimize the admission of root containers (Automated)"
type: "manual"
remediation: |
Create a PSP as described in the Kubernetes documentation, ensuring that the
.spec.runAsUser.rule is set to either MustRunAsNonRoot or MustRunAs with the range of
UIDs not including 0.
scored: false
- id: 4.2.7
text: "Minimize the admission of containers with the NET_RAW capability (Automated)"
type: "manual"
remediation: |
Create a PSP as described in the Kubernetes documentation, ensuring that the
.spec.requiredDropCapabilities is set to include either NET_RAW or ALL.
scored: false
- id: 4.2.8
text: "Minimize the admission of containers with added capabilities (Automated)"
type: "manual"
remediation: |
Ensure that allowedCapabilities is not present in PSPs for the cluster unless
it is set to an empty array.
scored: false
- id: 4.2.9
text: "Minimize the admission of containers with capabilities assigned (Manual)"
type: "manual"
remediation: |
Review the use of capabilities in applications running on your cluster. Where a namespace
contains applications which do not require any Linux capabities to operate consider adding
a PSP which forbids the admission of containers which do not drop all capabilities.
scored: false
- id: 4.3
text: "CNI Plugin"
checks:
- id: 4.3.1
text: "Ensure that the latest CNI version is used (Manual)"
type: "manual"
remediation: |
Review the documentation of AWS CNI plugin, and ensure latest CNI version is used.
scored: false
- id: 4.3.2
text: "Ensure that all Namespaces have Network Policies defined (Automated)"
type: "manual"
remediation: |
Follow the documentation and create NetworkPolicy objects as you need them.
scored: false
- id: 4.4
text: "Secrets Management"
checks:
- id: 4.4.1
text: "Prefer using secrets as files over secrets as environment variables (Manual)"
type: "manual"
remediation: |
If possible, rewrite application code to read secrets from mounted secret files, rather than
from environment variables.
scored: false
- id: 4.4.2
text: "Consider external secret storage (Manual)"
type: "manual"
remediation: |
Refer to the secrets management options offered by your cloud provider or a third-party
secrets management solution.
scored: false
- id: 4.5
text: "Extensible Admission Control"
checks:
- id: 4.5.1
text: "Configure Image Provenance using ImagePolicyWebhook admission controller (Manual)"
type: "manual"
remediation: |
Follow the Kubernetes documentation and setup image provenance.
scored: false
- id: 4.6
text: "General Policies"
checks:
- id: 4.6.1
text: "Create administrative boundaries between resources using namespaces (Manual)"
type: "manual"
remediation: |
Follow the documentation and create namespaces for objects in your deployment as you need
them.
scored: false
- id: 4.6.2
text: "Apply Security Context to Your Pods and Containers (Manual)"
type: "manual"
remediation: |
Follow the Kubernetes documentation and apply security contexts to your pods. For a
suggested list of security contexts, you may refer to the CIS Security Benchmark for Docker
Containers.
scored: false
- id: 4.6.3
text: "The default namespace should not be used (Automated)"
type: "manual"
remediation: |
Ensure that namespaces are created to allow for appropriate segregation of Kubernetes
resources and that all new resources are created in a specific namespace.
scored: false