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Nuclei Templates

Puppet Server/PuppetDB - Sensitive Information Disclosure

ID: CVE-2020-7943

Severity: high

Author: c-sh0

Tags: cve2020,cve,puppet,exposure,puppetdb

Description

Section titled “Description”

Puppet Server and PuppetDB provide useful performance and debugging information via their metrics API endpoints, which may contain sensitive information when left exposed.

YAML Source

Section titled “YAML Source”
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: 0.06791
    epss-percentile: 0.93863
    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: 4b0a00483046022100e4273763649e0038feffc48c78a0e70b9bc8a34a77fe633fce6f5a3c71250629022100f237f995a90e31ce7221d7b75b23346f6c6780ade7ad89af9dc19d10b1e10086:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/cves/2020/CVE-2020-7943.yaml"

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