Kubelet Client Certificate Or Key Not Set
- Query id: 36a27826-1bf5-49da-aeb0-a60a30c0e834
- Query name: Kubelet Client Certificate Or Key Not Set
- Platform: Kubernetes
- Severity: Medium
- Category: Secret Management
- CWE: 295
- URL: Github
Description¶
When using kube-apiserver command, the 'kubelet-client-key' and 'kubelet-client-certificate' flags should be set
Documentation
Code samples¶
Code samples with security vulnerabilities¶
Positive 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"]
restartPolicy: OnFailure
Positive 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"]
args: ["--kubelet-client-certificate=/path/to/any/file.pem"]
restartPolicy: OnFailure
Positive test num. 3 - 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: ["--kubelet-client-key=/path/to/any/file"]
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", "--kubelet-client-certificate=/path/to/any/file.pem", "--kubelet-client-key=/path/to/any/file2.pem"]
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"]
args: ["--kubelet-client-certificate=/path/to/any/file.pem", "--kubelet-client-key=/path/to/any/file2"]
restartPolicy: OnFailure