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Date: Fri, 02 Sep 2022 03:55:07 +0000
From: Jedidiah Cunningham <jedcunningham@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2022-38170: Apache Airflow: Overly permissive umask for
deamons
Description:
In Apache Airflow prior to 2.3.4, an insecure umask was configured for numerous Airflow components when running with the `--deamon` flag which could result in a race condition giving world-writable files in the Airflow home directory and allowing local users to expose arbitrary file contents via the webserver.
Mitigation:
Run without the `--deamon` flag via a process supervisor instead (systemd, runit, etc.).
Credit:
The Apache Airflow PMC would like to thank Harry Sintonen for reporting this issue.
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