What is CVE-2023-36543?

CVE-2023-36543 is a vulnerability in Apache Airflow versions before 2.6.3 where an authenticated user can use crafted input to make the current request hang.

What is the severity of CVE-2023-36543?

The severity of CVE-2023-36543 is medium with a CVSS v3 score of 6.5 out of 10.

How can I fix CVE-2023-36543?

To fix CVE-2023-36543, it is recommended to upgrade to Apache Airflow version 2.6.3 or above.

Where can I find more information about CVE-2023-36543?

You can find more information about CVE-2023-36543 on the Apache Airflow GitHub page, the Apache mailing list, and the NIST NVD website.

What are the Common Weakness Enumerations (CWEs) associated with CVE-2023-36543?

The Common Weakness Enumerations (CWEs) associated with CVE-2023-36543 are CWE-1333 (Improper Handling of Highly Compressed Data) and CWE-20 (Improper Input Validation).

Vulnerability/
CVE-2023-36543

medium

6.5

CWE

1333 20

12/7/2023

4/10/2024

CVE-2023-36543: Apache Airflow: ReDoS via dags function

First published: Wed Jul 12 2023(Updated: )

Apache Airflow, versions before 2.6.3, has a vulnerability where an authenticated user can use crafted input to make the current request hang. It is recommended to upgrade to a version that is not affected

Credit: security@apache.org security@apache.org security@apache.org

Affected Software	Affected Version	How to fix
Apache Airflow	<2.6.3
pip/apache-airflow	<2.6.3	2.6.3
	<2.6.3

Remedy

https://github.com/apache/airflow/pull/32060

Remedy

https://lists.apache.org/thread/tokfs980504ylgk3cv3hjlnrtbv4tng4

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Reference Links

Frequently Asked Questions

What is CVE-2023-36543?
CVE-2023-36543 is a vulnerability in Apache Airflow versions before 2.6.3 where an authenticated user can use crafted input to make the current request hang.
What is the severity of CVE-2023-36543?
The severity of CVE-2023-36543 is medium with a CVSS v3 score of 6.5 out of 10.
How can I fix CVE-2023-36543?
To fix CVE-2023-36543, it is recommended to upgrade to Apache Airflow version 2.6.3 or above.
Where can I find more information about CVE-2023-36543?
You can find more information about CVE-2023-36543 on the Apache Airflow GitHub page, the Apache mailing list, and the NIST NVD website.
What are the Common Weakness Enumerations (CWEs) associated with CVE-2023-36543?
The Common Weakness Enumerations (CWEs) associated with CVE-2023-36543 are CWE-1333 (Improper Handling of Highly Compressed Data) and CWE-20 (Improper Input Validation).

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