III - Administrative Classified
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000190-CTR-000500
Group -
Rancher RKE2 must terminate all network connections associated with a communications session at the end of the session, or as follows: for in-band management sessions (privileged sessions), the session must be terminated after five minutes of inactivity.
Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take control of a management session enabled on the console or console port th...Rule Medium Severity -
SRG-APP-000233-CTR-000585
Group -
Rancher RKE2 runtime must isolate security functions from nonsecurity functions.
RKE2 runs as isolated as possible. RKE2 is a container-based Kubernetes distribution. A container image is essentially a complete and executable version of an application, which relies only on the...Rule Medium Severity -
SRG-APP-000243-CTR-000600
Group -
Rancher RKE2 runtime must maintain separate execution domains for each container by assigning each container a separate address space to prevent unauthorized and unintended information transfer via shared system resources.
Separating user functionality from management functionality is a requirement for all the components within the Kubernetes Control Plane. Without the separation, users may have access to management ...Rule Medium Severity -
SRG-APP-000340-CTR-000770
Group -
Rancher RKE2 must prevent nonprivileged users from executing privileged functions to include disabling, circumventing, or altering implemented security safeguards/countermeasures.
Admission controllers intercept requests to the Kubernetes API before an object is instantiated. Enabling the admissions webhook allows for Kubernetes to apply policies against objects that are to ...Rule Medium Severity -
SRG-APP-000378-CTR-000880
Group -
Rancher RKE2 must prohibit the installation of patches, updates, and instantiation of container images without explicit privileged status.
Controlling access to those users and roles responsible for patching and updating RKE2 reduces the risk of untested or potentially malicious software from being installed within the platform. This ...Rule Medium Severity
Node 2
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