CIS-1.1.12 - Ensure that the etcd data directory ownership is set to etcd:etcd

Ensure that the etcd data directory ownership is set to etcd:etcd

Note: to enable this control run Kubescape with host sensor (see here)

Framework

CIS

Severity

High

Description of the the issue

etcd is a highly-available key-value store used by Kubernetes deployments for persistent storage of all of its REST API objects. This data directory should be protected from any unauthorized reads or writes. It should be owned by etcd:etcd.

Related resources

What does this control test

Ensure that the etcd data directory ownership is set to etcd:etcd.

How to check it manually

On the etcd server node, get the etcd data directory, passed as an argument --data-dir, from the below command:

ps -ef | grep etcd

Run the below command (based on the etcd data directory found above). For example,

stat -c %U:%G /var/lib/etcd

Verify that the ownership is set to etcd:etcd.

Remediation

On the etcd server node, get the etcd data directory, passed as an argument --data-dir, from the below command:

ps -ef | grep etcd

Run the below command (based on the etcd data directory found above). For example,

chown etcd:etcd /var/lib/etcd

Impact Statement

None

Default Value

By default, etcd data directory ownership is set to etcd:etcd.

Example

No example