Kubelet Client Periodic Certificate Switch Disabled
- Query id: 52d70f2e-3257-474c-b3dc-8ad9ba6a061a
- Query name: Kubelet Client Periodic Certificate Switch Disabled
- Platform: Kubernetes
- Severity: Medium
- Category: Secret Management
- CWE: 295
- URL: Github
Description¶
Kubelet argument --rotate-certificates should be true
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: foo/bar
command: ["kubelet"]
args: ["--rotate-certificates=false"]
restartPolicy: OnFailure
Positive test num. 2 - yaml file
apiVersion: kubelet.config.k8s.io/v1beta1
kind: KubeletConfiguration
address: "192.168.0.8"
port: 20250
serializeImagePulls: false
evictionHard:
memory.available: "200Mi"
rotateCertificates: false
Positive test num. 3 - json file
{
"port": 20250,
"evictionHard": {
"memory.available": "200Mi"
},
"kind": "KubeletConfiguration",
"makeIPTablesUtilChains": true,
"address": "192.168.0.8",
"apiVersion": "kubelet.config.k8s.io/v1beta1"
}
Positive test num. 4 - yaml file
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: foo/bar
command: ["kubelet"]
args: ["--rotate-certificates"]
restartPolicy: OnFailure