CVE-2022-38170 Overly permissive umask for daemons

What is CVE-2022-38170?

CVE-2022-38170 is a medium-severity vulnerability in Apache Airflow, published on 2 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In Apache Airflow prior to 2.3.4, an insecure umask was configured for numerous Airflow components when running with the `--daemon` 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.

Weakness: CWE-732

Which versions are affected by CVE-2022-38170?

4 open source packages ship an affected version, including apache-airflow and airflow. It affects 1 product.

Products include Apache Airflow.

How do I fix CVE-2022-38170?

Upgrade apache-airflow to 2.3.4 or later.

Is CVE-2022-38170 being exploited?

There is no known exploitation of CVE-2022-38170 in the wild and no public exploit code.

Other vulnerabilities in Apache Airflow

• CVE-2020-13927 Apache Airflow's Experimental API Authentication Bypass Exploited Critical 9.8
• CVE-2020-11978 Apache Airflow Command Injection Exploited High 8.8
• CVE-2026-33264 Apache Airflow: DAG author RCE on webserver via unrestricted import_string() in BaseSerialization.deserialize() Critical 9.8
• CVE-2023-25754 Apache Airflow: Privilege escalation using airflow logs Critical 9.8
• CVE-2023-22884 Apache Airflow, Apache Airflow MySQL Provider: Arbitrary file read via MySQL provider in Apache Airflow Critical 9.8

All Apache Airflow vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-airflow-2022-38170, GHSA-q8h9-pqcx-59hw, PYSEC-2022-261.