II - Mission Support Public
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000014-CTR-000035
<GroupDescription></GroupDescription>Group -
The Kubernetes Scheduler must use TLS 1.2, at a minimum, to protect the confidentiality of sensitive data during electronic dissemination.
<VulnDiscussion>The Kubernetes Scheduler will prohibit the use of SSL and unauthorized versions of TLS protocols to properly secure communica...Rule Medium Severity -
SRG-APP-000014-CTR-000040
<GroupDescription></GroupDescription>Group -
The Kubernetes API Server must use TLS 1.2, at a minimum, to protect the confidentiality of sensitive data during electronic dissemination.
<VulnDiscussion>The Kubernetes API Server will prohibit the use of SSL and unauthorized versions of TLS protocols to properly secure communic...Rule Medium Severity -
SRG-APP-000014-CTR-000035
<GroupDescription></GroupDescription>Group -
The Kubernetes etcd must use TLS to protect the confidentiality of sensitive data during electronic dissemination.
<VulnDiscussion>Kubernetes etcd will prohibit the use of SSL and unauthorized versions of TLS protocols to properly secure communication. Th...Rule Medium Severity -
SRG-APP-000014-CTR-000035
<GroupDescription></GroupDescription>Group -
The Kubernetes etcd must use TLS to protect the confidentiality of sensitive data during electronic dissemination.
<VulnDiscussion>The Kubernetes API Server will prohibit the use of SSL and unauthorized versions of TLS protocols to properly secure communic...Rule Medium Severity -
SRG-APP-000023-CTR-000055
<GroupDescription></GroupDescription>Group -
The Kubernetes Controller Manager must create unique service accounts for each work payload.
<VulnDiscussion>The Kubernetes Controller Manager is a background process that embeds core control loops regulating cluster system state thro...Rule High Severity -
SRG-APP-000033-CTR-000090
<GroupDescription></GroupDescription>Group -
The Kubernetes API Server must enable Node,RBAC as the authorization mode.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DOD-ap...Rule Medium Severity -
SRG-APP-000038-CTR-000105
<GroupDescription></GroupDescription>Group -
User-managed resources must be created in dedicated namespaces.
<VulnDiscussion>Creating namespaces for user-managed resources is important when implementing Role-Based Access Controls (RBAC). RBAC allows ...Rule High Severity -
SRG-APP-000033-CTR-000090
<GroupDescription></GroupDescription>Group -
The Kubernetes Scheduler must have secure binding.
<VulnDiscussion>Limiting the number of attack vectors and implementing authentication and encryption on the endpoints available to external s...Rule Medium Severity -
SRG-APP-000033-CTR-000090
<GroupDescription></GroupDescription>Group -
The Kubernetes Controller Manager must have secure binding.
<VulnDiscussion>Limiting the number of attack vectors and implementing authentication and encryption on the endpoints available to external s...Rule Medium Severity -
SRG-APP-000033-CTR-000095
<GroupDescription></GroupDescription>Group -
The Kubernetes API server must have the insecure port flag disabled.
<VulnDiscussion>By default, the API server will listen on two ports. One port is the secure port and the other port is called the "localhost ...Rule High Severity -
SRG-APP-000033-CTR-000095
<GroupDescription></GroupDescription>Group -
The Kubernetes Kubelet must have the "readOnlyPort" flag disabled.
<VulnDiscussion>Kubelet serves a small REST API with read access to port 10255. The read-only port for Kubernetes provides no authentication ...Rule High Severity -
SRG-APP-000033-CTR-000095
<GroupDescription></GroupDescription>Group -
The Kubernetes API server must have the insecure bind address not set.
<VulnDiscussion>By default, the API server will listen on two ports and addresses. One address is the secure address and the other address is...Rule High Severity -
SRG-APP-000033-CTR-000100
<GroupDescription></GroupDescription>Group -
The Kubernetes API server must have the secure port set.
<VulnDiscussion>By default, the API server will listen on what is rightfully called the secure port, port 6443. Any requests to this port wil...Rule Medium Severity -
SRG-APP-000033-CTR-000100
<GroupDescription></GroupDescription>Group -
The Kubernetes API server must have anonymous authentication disabled.
<VulnDiscussion>The Kubernetes API Server controls Kubernetes via an API interface. A user who has access to the API essentially has root acc...Rule High Severity -
SRG-APP-000033-CTR-000090
<GroupDescription></GroupDescription>Group -
The Kubernetes Kubelet must have anonymous authentication disabled.
<VulnDiscussion>A user who has access to the Kubelet essentially has root access to the nodes contained within the Kubernetes Control Plane. ...Rule High Severity -
SRG-APP-000033-CTR-000095
<GroupDescription></GroupDescription>Group -
The Kubernetes kubelet must enable explicit authorization.
<VulnDiscussion>Kubelet is the primary agent on each node. The API server communicates with each kubelet to perform tasks such as starting/st...Rule High Severity -
SRG-APP-000033-CTR-000095
<GroupDescription></GroupDescription>Group -
Kubernetes Worker Nodes must not have sshd service running.
<VulnDiscussion>Worker Nodes are maintained and monitored by the Control Plane. Direct access and manipulation of the nodes should not take p...Rule Medium Severity -
SRG-APP-000033-CTR-000095
<GroupDescription></GroupDescription>Group -
Kubernetes Worker Nodes must not have the sshd service enabled.
<VulnDiscussion>Worker Nodes are maintained and monitored by the Control Plane. Direct access and manipulation of the nodes must not take pla...Rule Medium Severity -
SRG-APP-000033-CTR-000095
<GroupDescription></GroupDescription>Group -
Kubernetes dashboard must not be enabled.
<VulnDiscussion>While the Kubernetes dashboard is not inherently insecure on its own, it is often coupled with a misconfiguration of Role-Bas...Rule Medium Severity -
SRG-APP-000033-CTR-000090
<GroupDescription></GroupDescription>Group -
Kubernetes Kubectl cp command must give expected access and results.
<VulnDiscussion>One of the tools heavily used to interact with containers in the Kubernetes cluster is kubectl. The command is the tool Syste...Rule Medium Severity -
SRG-APP-000033-CTR-000090
<GroupDescription></GroupDescription>Group -
The Kubernetes kubelet staticPodPath must not enable static pods.
<VulnDiscussion>Allowing kubelet to set a staticPodPath gives containers with root access permissions to traverse the hosting filesystem. The...Rule High Severity -
SRG-APP-000033-CTR-000100
<GroupDescription></GroupDescription>Group -
Kubernetes DynamicAuditing must not be enabled.
<VulnDiscussion>Protecting the audit data from change or deletion is important when an attack occurs. One way an attacker can cover their tra...Rule Medium Severity -
SRG-APP-000033-CTR-000095
<GroupDescription></GroupDescription>Group -
Kubernetes DynamicKubeletConfig must not be enabled.
<VulnDiscussion>Kubernetes allows a user to configure kubelets with dynamic configurations. When dynamic configuration is used, the kubelet w...Rule Medium Severity -
SRG-APP-000033-CTR-000090
<GroupDescription></GroupDescription>Group -
The Kubernetes API server must have Alpha APIs disabled.
<VulnDiscussion>Kubernetes allows alpha API calls within the API server. The alpha features are disabled by default since they are not ready ...Rule Medium Severity -
SRG-APP-000092-CTR-000165
<GroupDescription></GroupDescription>Group -
The Kubernetes API Server must have an audit log path set.
<VulnDiscussion>When Kubernetes is started, components and user services are started for auditing startup events, and events for components a...Rule Medium Severity
Node 2
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