TMAegis
More rules for kubernetes

TMA-KUBERNETES-1.1.13

Ensure that the default administrative credential file permissions are set to 600

CriticalLevel 1Automatedkubernetes

Description

Ensure that the admin.conf file (and super-admin.conf file, where it exists) have permissions of 600.

How it is checked

Audit method: Shell command

shell
set -f
ok=1; n=0
for f in /etc/kubernetes/admin.conf /etc/kubernetes/super-admin.conf; do
  [ -e "$f" ] || continue; n=$((n+1))
  p=$(stat -Lc %a "$f") || exit 1
  if [ $((0$p & 0177)) -ne 0 ]; then echo "noncompliant: $f mode $p"; ok=0; fi
done
[ "$n" -gt 0 ] || exit 1
if [ "$ok" -eq 1 ]; then echo compliant; fi
Expected output
compliant

How it is fixed

Fix method: Shell command

shell
if [ -e /etc/kubernetes/admin.conf ]; then chmod u-x,go-rwx /etc/kubernetes/admin.conf; fi; if [ -e /etc/kubernetes/super-admin.conf ]; then chmod u-x,go-rwx /etc/kubernetes/super-admin.conf; fi

Properties

Operating systems
Any
Tags
kubernetescontrol-planefile-permissions
Reference
CIS Kubernetes Benchmark v2.1.0 - 1.1.13 Ensure that the default administrative credential file permissions are set to 600

Check this host

Run this on a machine you are allowed to audit. The scan is read-only.

shell
tmaegis scan --target kubernetes