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Date: Fri, 19 Apr 2024 10:08:58 +0000
From: Elad Kalif <eladkal@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2024-29733: Apache Airflow FTP Provider: FTP_TLS instance with
unverified SSL context
Severity: low
Affected versions:
- Apache Airflow FTP Provider before 3.7.0
Description:
Improper Certificate Validation vulnerability in Apache Airflow FTP Provider.
The FTP hook lacks complete certificate validation in FTP_TLS connections, which can potentially be leveraged. Implementing proper certificate validation by passing context=ssl.create_default_context() during FTP_TLS instantiation is used as mitigation to validate the certificates properly.
This issue affects Apache Airflow FTP Provider: before 3.7.0.
Users are recommended to upgrade to version 3.7.0, which fixes the issue.
Credit:
Eric Brown of Secure Sauce LLC (finder)
References:
https://github.com/apache/airflow/pull/38266
https://github.com/apache/airflow/blob/95e26118b828c364755f3a8c96870f3591b01c31/airflow/providers/ftp/hooks/ftp.py#L280
https://docs.python.org/3/library/ssl.html#best-defaults
https://airflow.apache.org/
https://www.cve.org/CVERecord?id=CVE-2024-29733
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