Kubernetes Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The Kubernetes cluster must use non-privileged host ports for user pods.
Privileged ports are those ports below 1024 and that require system privileges for their use. If containers can use these ports, the container must be run as a privileged user. Kubernetes must stop...Rule Medium Severity -
Kubernetes API Server must have the SSL Certificate Authority set.
Kubernetes control plane and external communication are managed by API Server. The main implementation of the API Server is to manage hardware resources for pods and containers using horizontal or ...Rule Medium Severity -
Kubernetes Kubelet must have the SSL Certificate Authority set.
Kubernetes container and pod configuration are maintained by Kubelet. Kubelet agents register nodes with the API Server, mount volume storage, and perform health checks for containers and pods. Any...Rule Medium Severity -
Kubernetes Kubelet must enable tlsPrivateKeyFile for client authentication to secure service.
Kubernetes container and pod configuration are maintained by Kubelet. Kubelet agents register nodes with the API Server, mount volume storage, and perform health checks for containers and pods. Any...Rule Medium Severity -
Kubernetes etcd must enable client authentication to secure service.
Kubernetes container and pod configuration are maintained by Kubelet. Kubelet agents register nodes with the API Server, mount volume storage, and perform health checks for containers and pods. Any...Rule Medium Severity -
Kubernetes etcd must have a certificate for communication.
Kubernetes stores configuration and state information in a distributed key-value store called etcd. Anyone who can write to etcd can effectively control a Kubernetes cluster. Even just reading the ...Rule Medium Severity -
Kubernetes etcd must have peer-cert-file set for secure communication.
Kubernetes stores configuration and state information in a distributed key-value store called etcd. Anyone who can write to etcd can effectively control the Kubernetes cluster. Even just reading th...Rule Medium Severity -
Kubernetes API Server must configure timeouts to limit attack surface.
Kubernetes API Server request timeouts sets the duration a request stays open before timing out. Since the API Server is the central component in the Kubernetes Control Plane, it is vital to protec...Rule Medium Severity -
Kubernetes must contain the latest updates as authorized by IAVMs, CTOs, DTMs, and STIGs.
Kubernetes software must stay up to date with the latest patches, service packs, and hot fixes. Not updating the Kubernetes control plane will expose the organization to vulnerabilities. Flaws dis...Rule Medium Severity -
The Kubernetes Kubelet certificate authority file must have file permissions set to 644 or more restrictive.
The Kubernetes kubelet certificate authority file contains settings for the Kubernetes Node TLS certificate authority. Any request presenting a client certificate signed by one of the authorities i...Rule Medium Severity
Node 2
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