II - Mission Support Classified
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000219-CTR-000550
Group -
Kubernetes etcd must have the SSL Certificate Authority set.
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 -
SRG-APP-000219-CTR-000550
Group -
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 the Kubernetes cluster. Even just reading th...Rule Medium Severity -
SRG-APP-000219-CTR-000550
Group -
Kubernetes etcd must have a key file 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 a Kubernetes cluster. Even just reading the ...Rule Medium Severity -
SRG-APP-000219-CTR-000550
Group -
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 -
SRG-APP-000219-CTR-000550
Group -
Kubernetes etcd must have a peer-key-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 a Kubernetes cluster. Even just reading the ...Rule Medium Severity -
SRG-APP-000233-CTR-000585
Group -
Kubernetes Kubelet must enable kernel protection.
System kernel is responsible for memory, disk, and task management. The kernel provides a gateway between the system hardware and software. Kubernetes requires kernel access to allocate resources t...Rule High Severity -
SRG-APP-000342-CTR-000775
Group -
The Kubernetes API server must have the ValidatingAdmissionWebhook enabled.
Enabling the admissions webhook allows for Kubernetes to apply policies against objects that are to be created, read, updated, or deleted. By applying a pod security policy, control can be given to...Rule High Severity -
SRG-APP-000342-CTR-000775
Group -
Kubernetes must have a pod security policy set.
Enabling the admissions webhook allows for Kubernetes to apply policies against objects that are to be created, read, updated, or deleted. By applying a pod security policy, control can be given to...Rule High Severity -
SRG-APP-000435-CTR-001070
Group -
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 -
SRG-APP-000454-CTR-001110
Group -
Kubernetes must remove old components after updated versions have been installed.
Previous versions of Kubernetes components that are not removed after updates have been installed may be exploited by adversaries by allowing the vulnerabilities to still exist within the cluster. ...Rule Medium Severity -
SRG-APP-000456-CTR-001125
Group -
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 -
SRG-APP-000516-CTR-001325
Group -
The Kubernetes component manifests must be owned by root.
The Kubernetes manifests are those files that contain the arguments and settings for the Control Plane services. These services are etcd, the api server, controller, proxy, and scheduler. If these ...Rule Medium Severity -
SRG-APP-000516-CTR-001325
Group -
The Kubernetes component etcd must be owned by etcd.
The Kubernetes etcd key-value store provides a way to store data to the Control Plane. If these files can be changed, data to API object and the Control Plane would be compromised. The scheduler wi...Rule Medium Severity -
SRG-APP-000516-CTR-001325
Group -
The Kubernetes conf files must be owned by root.
The Kubernetes conf files contain the arguments and settings for the Control Plane services. These services are controller and scheduler. If these files can be changed, the scheduler will be implem...Rule Medium Severity -
SRG-APP-000516-CTR-001325
Group -
The Kubernetes Kube Proxy kubeconfig must have file permissions set to 644 or more restrictive.
The Kubernetes Kube Proxy kubeconfig contain the argument and setting for the Control Planes. These settings contain network rules for restricting network communication between pods, clusters, and ...Rule Medium Severity -
SRG-APP-000516-CTR-001325
Group -
The Kubernetes Kube Proxy kubeconfig must be owned by root.
The Kubernetes Kube Proxy kubeconfig contain the argument and setting for the Control Planes. These settings contain network rules for restricting network communication between pods, clusters, and ...Rule Medium Severity -
SRG-APP-000516-CTR-001325
Group -
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 -
SRG-APP-000516-CTR-001325
Group -
The Kubernetes Kubelet certificate authority must be owned by root.
The Kubernetes kube proxy kubeconfig contain the argument and setting for the Control Planes. These settings contain network rules for restricting network communication between pods, clusters, and ...Rule Medium Severity -
SRG-APP-000516-CTR-001325
Group -
The Kubernetes component PKI must be owned by root.
The Kubernetes PKI directory contains all certificates (.crt files) supporting secure network communications in the Kubernetes Control Plane. If these files can be modified, data traversing within ...Rule Medium Severity -
SRG-APP-000516-CTR-001325
Group -
The Kubernetes kubelet KubeConfig must have file permissions set to 644 or more restrictive.
The Kubernetes kubelet agent registers nodes with the API Server, mounts volume storage for pods, and performs health checks to containers within pods. If these files can be modified, the informati...Rule Medium Severity -
SRG-APP-000516-CTR-001325
Group -
The Kubernetes kubelet KubeConfig file must be owned by root.
The Kubernetes kubelet agent registers nodes with the API server and performs health checks to containers within pods. If these files can be modified, the information system would be unaware of pod...Rule Medium Severity -
SRG-APP-000516-CTR-001325
Group -
The Kubernetes kubeadm.conf must be owned by root.
The Kubernetes kubeeadm.conf contains sensitive information regarding the cluster nodes configuration. If this file can be modified, the Kubernetes Platform Plane would be degraded or compromised f...Rule Medium Severity -
SRG-APP-000516-CTR-001325
Group -
The Kubernetes kubeadm.conf must have file permissions set to 644 or more restrictive.
The Kubernetes kubeadm.conf contains sensitive information regarding the cluster nodes configuration. If this file can be modified, the Kubernetes Platform Plane would be degraded or compromised fo...Rule Medium Severity -
SRG-APP-000516-CTR-001330
Group -
The Kubernetes kubelet config must have file permissions set to 644 or more restrictive.
The Kubernetes kubelet agent registers nodes with the API server and performs health checks to containers within pods. If this file can be modified, the information system would be unaware of pod o...Rule Medium Severity -
SRG-APP-000516-CTR-001330
Group -
The Kubernetes kubelet config must be owned by root.
The Kubernetes kubelet agent registers nodes with the API Server and performs health checks to containers within pods. If this file can be modified, the information system would be unaware of pod o...Rule Medium Severity
Node 2
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