V-242445—The Kubernetes component etcd must be owned by etcd.
CAT II - Medium
CNTR-K8-003120
>Control Description
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 will implement the changes immediately. Many of the security settings within the document are implemented through this file.
>Check Content
Review the ownership of the Kubernetes etcd files by using the command: stat -c %U:%G /var/lib/etcd/* | grep -v etcd:etcd If the command returns any non etcd:etcd file permissions, this is a finding.
>Remediation
Change the ownership of the manifest files to etcd:etcd by executing the command: chown etcd:etcd /var/lib/etcd/*
>CCI References
Control Correlation Identifiers (CCIs) map STIG findings to NIST 800-53 controls.
>Cross-Framework Mappings
NIST SP 800-53 r5
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