Cert-manager Helm Chart

Cert-manager
Analyzed version: 0.5.0

By Bitnami

Cert Manager is a Kubernetes add-on to automate the management and issuance of TLS certificates from various issuing sources.

Prometheus, a CNCF project, is a systems and service monitoring system. It collects metrics from configured targets at given intervals, evaluates rule expressions, displays the results, and can trigger alerts if some condition is observed to be true.

This chart bootstraps a Prometheus deployment on a Kubernetes cluster using the Helm package manager.

Latest version: 15.5.3
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How to Install the Cert-manager Helm Chart

Add Chart Repository to Helm

helm repo add bitnami https://charts.bitnami.com/bitnami

Install Chart

helm install my-cert-manager bitnami/cert-manager --version 0.5.0

Does the Cert-manager chart contain security gaps?

The chart meets the best practices recommended by the industry.

The chart contains 8 misconfigurations.

The chart meets the best practices recommended by the industry. Find the full list of best practices here.

❌ Ensure each container has a configured liveness probe

2 occurrences:

  • metadata.name: release-name-cert-manager-cainjector (kind: Deployment)
  • metadata.name: release-name-cert-manager-controller (kind: Deployment)

💡 Missing property object `livenessProbe` - add a properly configured livenessProbe to catch possible deadlocks

Learn how to fix the issue here

❌ Ensure each container has a configured readiness probe

2 occurrences:

  • metadata.name: release-name-cert-manager-cainjector (kind: Deployment)
  • metadata.name: release-name-cert-manager-controller (kind: Deployment)

💡 Missing property object `readinessProbe` - add a properly configured readinessProbe to notify kubelet your Pods are ready for traffic

Learn how to fix the issue here

❌ Prevent workload from using the default namespace

3 occurrences:

  • metadata.name: release-name-cert-manager-cainjector (kind: Deployment)
  • metadata.name: release-name-cert-manager-controller (kind: Deployment)
  • metadata.name: release-name-cert-manager-webhook (kind: Deployment)

💡 Incorrect value for key `namespace` - use an explicit namespace instead of the default one (`default`)

Learn how to fix the issue here

❌ Prevent container security vulnerability (CVE-2021-25741)

3 occurrences:

  • metadata.name: release-name-cert-manager-cainjector (kind: Deployment)
  • metadata.name: release-name-cert-manager-controller (kind: Deployment)
  • metadata.name: release-name-cert-manager-webhook (kind: Deployment)

💡 Forbidden property object `subPath` - malicious users can gain access to files & directories outside of the volume

Learn how to fix the issue here

❌ Ensure each container has a configured memory request

3 occurrences:

  • metadata.name: release-name-cert-manager-cainjector (kind: Deployment)
  • metadata.name: release-name-cert-manager-controller (kind: Deployment)
  • metadata.name: release-name-cert-manager-webhook (kind: Deployment)

💡 Missing property object `requests.memory` - value should be within the accepted boundaries recommended by the organization

Learn how to fix the issue here

❌ Ensure each container has a configured CPU request

3 occurrences:

  • metadata.name: release-name-cert-manager-cainjector (kind: Deployment)
  • metadata.name: release-name-cert-manager-controller (kind: Deployment)
  • metadata.name: release-name-cert-manager-webhook (kind: Deployment)

💡 Missing property object `requests.cpu` - value should be within the accepted boundaries recommended by the organization

Learn how to fix the issue here

❌ Ensure each container has a configured memory limit

3 occurrences:

  • metadata.name: release-name-cert-manager-cainjector (kind: Deployment)
  • metadata.name: release-name-cert-manager-controller (kind: Deployment)
  • metadata.name: release-name-cert-manager-webhook (kind: Deployment)

💡 Missing property object `limits.memory` - value should be within the accepted boundaries recommended by the organization

Learn how to fix the issue here

❌ Ensure each container has a configured CPU limit

3 occurrences:

  • metadata.name: release-name-cert-manager-cainjector (kind: Deployment)
  • metadata.name: release-name-cert-manager-controller (kind: Deployment)
  • metadata.name: release-name-cert-manager-webhook (kind: Deployment)

💡 Missing property object `limits.cpu` - value should be within the accepted boundaries recommended by the organization

Learn how to fix the issue here

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