Encryption Provider Config Is Not Defined

• Query id: cbd2db69-0b21-4c14-8a40-7710a50571a9
• Query name: Encryption Provider Config Is Not Defined
• Platform: Kubernetes
• Severity: Medium
• Category: Encryption
• URL: Github

Description

When using kube-apiserver commands, the '--encryption-provider-config' flag should be defined and the encryption should be correctly configured in Encryption Configuration file
Documentation

Code samples

Code samples with security vulnerabilities

Postitive test num. 1 - yaml file

apiVersion: v1
kind: Pod
metadata:
  name: command-demo
  labels:
    purpose: demonstrate-command
spec:
  containers:
    - name: command-demo-container
      image: gcr.io/google_containers/kube-apiserver-amd64:v1.6.0
      command: ["kube-apiserver"]
      args: []
  restartPolicy: OnFailure

Code samples without security vulnerabilities

Negative test num. 1 - yaml file

apiVersion: v1
kind: Pod
metadata:
  name: command-demo
  labels:
    purpose: demonstrate-command
spec:
  containers:
    - name: command-demo-container
      image: gcr.io/google_containers/kube-apiserver-amd64:v1.6.0
      command: ["kube-apiserver"]
      args: ["--encryption-provider-config=/path/to/config/file.yaml"]
  restartPolicy: OnFailure

Negative test num. 2 - yaml file

apiVersion: v1
kind: Pod
metadata:
  name: command-demo
  labels:
    purpose: demonstrate-command
spec:
  containers:
    - name: command-demo-container
      image: gcr.io/google_containers/kube-apiserver-amd64:v1.6.0
      command: ["kube-apiserver","--encryption-provider-config=/path/to/config/file.yaml"]
      args: []
  restartPolicy: OnFailure