CVE-2024-29733

Advisory

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.

Affected package

Affected versions

Fixed versions

Vulnerability changelog

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. See CVE-2024-29733.


MISC:https://docs.python.org/3/library/ssl.html#best-defaults: https://docs.python.org/3/library/ssl.html#best-defaults
MISC:https://github.com/apache/airflow/blob/95e26118b828c364755f3a8c96870f3591b01c31/airflow/providers/ftp/hooks/ftp.py#L280: https://github.com/apache/airflow/blob/95e26118b828c364755f3a8c96870f3591b01c31/airflow/providers/ftp/hooks/ftp.py#L280
MISC:https://github.com/apache/airflow/pull/38266: https://github.com/apache/airflow/pull/38266
MISC:https://lists.apache.org/thread/265t5zbmtjs6h9fkw52wtp03nsbplky2: https://lists.apache.org/thread/265t5zbmtjs6h9fkw52wtp03nsbplky2

Resources

• https://docs.python.org/3/library/ssl.html#best-defaults
• https://github.com/apache/airflow/blob/95e26118b828c364755f3a8c96870f3591b01c31/airflow/providers/ftp/hooks/ftp.py#L280
• https://github.com/apache/airflow/pull/38266
• https://lists.apache.org/thread/265t5zbmtjs6h9fkw52wtp03nsbplky2
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-29733