nuclei-templates/code/privilege-escalation/linux/binary/privesc-node.yaml

id: privesc-node

info:
  name: Node - Privilege Escalation
  author: daffainfo
  severity: high
  description: |
    Node.js is a popular open-source, cross-platform JavaScript runtime environment that executes JavaScript code outside of a web browser. It is commonly used for building scalable network applications and is known for its event-driven, non-blocking I/O model. Node.js is widely used for server-side scripting and has a large ecosystem of libraries and frameworks.
  reference:
    - https://gtfobins.github.io/gtfobins/node/
  metadata:
    verified: true
    max-request: 4
  tags: code,linux,node,privesc,local

self-contained: true
code:
  - engine:
      - sh
      - bash
    source: |
      whoami

  - engine:
      - sh
      - bash
    source: |
      node -e 'require("child_process").spawn("whoami", {stdio: [0, 1, 2]})'

  - engine:
      - sh
      - bash
    source: |
      sudo node -e 'require("child_process").spawn("whoami", {stdio: [0, 1, 2]})'

  - engine:
      - sh
      - bash
    source: |
      node -e 'process.setuid(0); require("child_process").spawn("whoami", {stdio: [0, 1, 2]})'

    matchers-condition: and
    matchers:
      - type: word
        part: code_1_response
        words:
          - "root"
        negative: true

      - type: dsl
        dsl:
          - 'contains(code_2_response, "root")'
          - 'contains(code_3_response, "root")'
          - 'contains(code_4_response, "root")'
        condition: or
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