Etcd TLS Certificate Not Properly Configured
- Query id: 895a5a95-3756-4b04-9924-2f3bc93181bd
- Query name: Etcd TLS Certificate Not Properly Configured
- Platform: Kubernetes
- Severity: High
- Category: Networking and Firewall
- URL: Github
Description¶
When using kube-apiserver commands, the '--etcd-certfile' and '--etcd-keyfile' flags should be defined
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: ["--etcd-keyfile=/path/to/key/file.key"]
restartPolicy: OnFailure
Postitive 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: ["--etcd-certfile=/path/to/cert/file.crt"]
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: ["--etcd-keyfile=/path/to/key/file.key","--etcd-certfile=/path/to/cert/file.crt"]
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","--etcd-keyfile=/path/to/key/file.key","--etcd-certfile=/path/to/cert/file.crt"]
args: []
restartPolicy: OnFailure