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Nuclei Templates

Kubernetes Version Exposure

ID: kubernetes-version

Severity: info

Author: raesene,idealphase

Tags: tech,k8s,kubernetes,devops

Description

Section titled “Description”

Searches for exposed Kubernetes API servers which return version information unauthenticated. For Google Kubernetes Engine (GKE) and Amazon Elastic Kubernetes Service (EKS) this template will extract default patch version for you.

YAML Source

Section titled “YAML Source”
id: kubernetes-version


info:
  name: Kubernetes Version Exposure
  author: raesene,idealphase
  severity: info
  description: Searches for exposed Kubernetes API servers which return version information unauthenticated. For Google Kubernetes Engine (GKE) and Amazon Elastic Kubernetes Service (EKS) this template will extract default patch version for you.
  reference:
    - https://cloud.google.com/kubernetes-engine/docs/release-notes
    - https://docs.aws.amazon.com/eks/latest/userguide/kubernetes-versions.html
  metadata:
    max-request: 1
    shodan-query: product:"Kubernetes" version:"1.21.5-eks-bc4871b"
  tags: tech,k8s,kubernetes,devops


http:
  - method: GET
    path:
      - "{{BaseURL}}/version"


    matchers:
      - type: word
        words:
          - "gitVersion"
          - "goVersion"
          - "platform"
        condition: and


    extractors:
      - type: json
        json:
          - '.gitVersion'
# digest: 4b0a004830460221008c19a62660962f42c8bf7038e1713be500070279f8587f78f6f03caf069fc17c022100c4b0ec2965483549f8d79e649d402694f6036e2bc76e688eb7aaff472c384701:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/technologies/kubernetes/kubernetes-version.yaml"

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