CVE-2020-7943: Puppet Server/PuppetDB - Sensitive Information Disclosure

id: CVE-2020-7943

info:
  name: Puppet Server/PuppetDB - Sensitive Information Disclosure
  author: c-sh0
  severity: high
  description: Puppet Server and PuppetDB provide useful performance and debugging information via their metrics API endpoints, which may contain sensitive information when left exposed.
  impact: |
    An attacker can exploit this vulnerability to gain access to sensitive information stored in Puppet Server/PuppetDB.
  remediation: |
    Apply the necessary patches or updates provided by Puppet to fix the vulnerability and ensure sensitive information is properly protected.
  reference:
    - https://puppet.com/security/cve/CVE-2020-7943
    - https://tickets.puppetlabs.com/browse/PDB-4876
    - https://puppet.com/security/cve/CVE-2020-7943/
    - https://nvd.nist.gov/vuln/detail/CVE-2020-7943
    - https://github.com/ARPSyndicate/cvemon
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2020-7943
    cwe-id: CWE-276,NVD-CWE-noinfo
    epss-score: 0.65366
    epss-percentile: 0.98438
    cpe: cpe:2.3:a:puppet:puppet_enterprise:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: puppet
    product: puppet_enterprise
  tags: cve2020,cve,puppet,exposure,puppetdb

http:
  - method: GET
    path:
      - "{{BaseURL}}/metrics/v1/mbeans"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "trapperkeeper"

      - type: word
        part: header
        words:
          - "application/json"

      - type: status
        status:
          - 200
# digest: 4a0a00473045022066495340bd3244433e656f854b9a28a4b6ff95b98c0b6895f0dced78d1e48c97022100df54b1934d847b995de5b815d84b9ec73991a50c5be80c4114732270d1aafa86:922c64590222798bb761d5b6d8e72950