Azure Kubernetes Service (AKS)
TMA-AKS-3.1.1
Ensure that the kubeconfig file permissions are set to 644 or more restrictive
MittelStufe 1Automatisiertaks
Beschreibung
If the kubelet is configured to use a kubeconfig file, ensure that the kubelet kubeconfig file permissions are set to 644 or more restrictive. Runs on each AKS node (kubeconfig path from the kubelet --kubeconfig argument).
So wird geprüft
Prüfmethode: Shell-Befehl
shell
set -f
psarg() { ps -eo args 2>/dev/null | grep -E "^([^ ]*/)?$1( |\$)" | head -n 1 | awk -v k="--$2" '{for(i=1;i<=NF;i++){if($i==k&&i<NF)v=$(i+1); else if(index($i,k"=")==1)v=substr($i,length(k)+2)}} END{if(v!="")print v}'; }
p0=$(psarg kubelet kubeconfig)
f=""; for x in ${p0:-} /var/lib/kubelet/kubeconfig; do if [ -e "$x" ]; then f=$x; break; fi; done
[ -n "$f" ] || exit 1
p=$(stat -Lc %a "$f") || exit 1
if [ $((0$p & 0133)) -eq 0 ]; then echo compliant; else echo "noncompliant: $f mode $p"; fi- Erwartete Ausgabe
compliant
So wird behoben
Behebungsmethode: Anleitung oder Infrastruktur-Patch
Run the below command (based on the file location on your system) on the each worker node. For example, chmod 644 <kubeconfig file>
Eigenschaften
- Betriebssysteme
- Beliebig
- Tags
- aksworker-nodefile-permissions
- Referenz
- CIS Azure Kubernetes Service (AKS) Benchmark v2.0.0 - 3.1.1 Ensure that the kubeconfig file permissions are set to 644 or more restrictive
Diesen Host prüfen
Führen Sie dies auf einem Rechner aus, den Sie prüfen dürfen. Der Scan ist schreibgeschützt.
shell
tmaegis scan --target aks