directory-listing-no-host-header: Directory Listing - No Host header

2025-08-01 directory-listing-no-host-header PoC Public

Description

The HTTP server is configured to list files in the root directory when no Host header is provided.

PoC

id: directory-listing-no-host-header

info:
  name: Directory Listing - No Host header
  author: kazet
  severity: unknown
  description: |
    The HTTP server is configured to list files in the root directory when no Host header is provided.
  metadata:
    verified: true
    max-request: 1
  tags: misconfig,listing,vuln

flow: http(1) && http(2)

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

    matchers:
      - type: dsl
        dsl:
          - '!contains_any(body,"<title>Index of","<title>Directory listing of")'
        internal: true

  - raw:
      - |+
        @Host: {{Hostname}}
        GET / HTTP/1.0

    unsafe: true

    host-redirects: true
    max-redirects: 2

    matchers:
      - type: dsl
        dsl:
          - 'contains_any(body,"<title>Index of","<title>Directory listing of")'
          - 'status_code == 200'
        condition: and
# digest: 490a0046304402201235a7cbb230295e8ddabb0a2545a4b8bf08b6a136f5411327488db589034719022007ae48ead5b65f7ad1cb27e450e2511625a3fe5b1fac509da984c73e975108b8:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.

References

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