III - Administrative Sensitive
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000516-CTR-001335
Group -
The Kubernetes etcd must have file permissions set to 644 or more restrictive.
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 Control Plane would be compromised.Rule Medium Severity -
SRG-APP-000516-CTR-001335
Group -
The Kubernetes admin kubeconfig must have file permissions set to 644 or more restrictive.
The Kubernetes admin kubeconfig 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 wi...Rule Medium Severity -
SRG-APP-000516-CTR-001335
Group -
Kubernetes API Server audit logs must be enabled.
Kubernetes API Server validates and configures pods and services for the API object. The REST operation provides frontend functionality to the cluster share state. Enabling audit logs provides a wa...Rule Medium Severity -
SRG-APP-000516-CTR-001335
Group -
The Kubernetes API Server must be set to audit log max size.
The Kubernetes API Server must be set for enough storage to retain log information over the period required. When audit logs are large in size, the monitoring service for events becomes degraded. T...Rule Medium Severity -
SRG-APP-000516-CTR-001335
Group -
The Kubernetes API Server must be set to audit log maximum backup.
The Kubernetes API Server must set enough storage to retain logs for monitoring suspicious activity and system misconfiguration, and provide evidence for Cyber Security Investigations.Rule Medium Severity -
SRG-APP-000516-CTR-001335
Group -
The Kubernetes API Server audit log retention must be set.
The Kubernetes API Server must set enough storage to retain logs for monitoring suspicious activity and system misconfiguration, and provide evidence for Cyber Security Investigations.Rule Medium Severity -
SRG-APP-000516-CTR-001335
Group -
The Kubernetes API Server audit log path must be set.
Kubernetes API Server validates and configures pods and services for the API object. The REST operation provides frontend functionality to the cluster share state. Audit logs are necessary to provi...Rule Medium Severity -
SRG-APP-000516-CTR-001335
Group -
The Kubernetes PKI CRT must have file permissions set to 644 or more restrictive.
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-001335
Group -
The Kubernetes PKI keys must have file permissions set to 600 or more restrictive.
The Kubernetes PKI directory contains all certificate key files supporting secure network communications in the Kubernetes Control Plane. If these files can be modified, data traversing within the ...Rule Medium Severity -
SRG-APP-000190-CTR-000500
Group -
Kubernetes Kubelet must not disable timeouts.
Idle connections from the Kubelet can be used by unauthorized users to perform malicious activity to the nodes, pods, containers, and cluster within the Kubernetes Control Plane. Setting the stream...Rule Medium Severity -
SRG-APP-000439-CTR-001080
Group -
Kubernetes API Server must disable basic authentication to protect information in transit.
Kubernetes basic authentication sends and receives request containing username, uid, groups, and other fields over a clear text HTTP communication. Basic authentication does not provide any securit...Rule High Severity -
SRG-APP-000439-CTR-001080
Group -
Kubernetes API Server must disable token authentication to protect information in transit.
Kubernetes token authentication uses password known as secrets in a plaintext file. This file contains sensitive information such as token, username and user uid. This token is used by service acco...Rule High Severity -
SRG-APP-000439-CTR-001080
Group -
Kubernetes endpoints must use approved organizational certificate and key pair to protect information in transit.
Kubernetes control plane and external communication is managed by API Server. The main implementation of the API Server is to manage hardware resources for pods and container using horizontal or ve...Rule High Severity -
SRG-APP-000342-CTR-000775
Group -
Kubernetes must have a Pod Security Admission control file configured.
An admission controller intercepts and processes requests to the Kubernetes API prior to persistence of the object, but after the request is authenticated and authorized. Kubernetes (> v1.23)offer...Rule High Severity -
SRG-APP-000342-CTR-000775
Group -
Kubernetes must enable PodSecurity admission controller on static pods and Kubelets.
PodSecurity admission controller is a component that validates and enforces security policies for pods running within a Kubernetes cluster. It is responsible for evaluating the security context and...Rule High Severity -
SRG-APP-000014-CTR-000035
Group -
The Kubernetes Controller Manager must use TLS 1.2, at a minimum, to protect the confidentiality of sensitive data during electronic dissemination.
The Kubernetes Controller Manager will prohibit the use of SSL and unauthorized versions of TLS protocols to properly secure communication. The use of unsupported protocol exposes vulnerabilities ...Rule Medium Severity
Node 2
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