CVE-2023-49920 : What You Need to Know

Apache Airflow, version 2.7.0 through 2.7.3, has a vulnerability that allows an attacker to trigger a Directed Acyclic Graph (DAG) in a GET request without Cross-Site Request Forgery (CSRF) validation, enabling execution without user consent. The CVE was published by Apache on December 21, 2023.

Understanding CVE-2023-49920

This section delves into the details of the CVE-2023-49920 vulnerability affecting Apache Airflow.

What is CVE-2023-49920?

CVE-2023-49920 highlights a security flaw in Apache Airflow versions 2.7.0 to 2.7.3 that permits unauthorized DAG triggering through a GET request without CSRF validation.

The Impact of CVE-2023-49920

The vulnerability could be exploited by a malicious website co-opened with the Airflow UI in the same browser, triggering DAG executions without user permission.

Technical Details of CVE-2023-49920

This section elaborates on the technical aspects of the CVE affecting Apache Airflow.

Vulnerability Description

The flaw in Apache Airflow allows attackers to trigger DAGs through specific GET requests without CSRF validation, compromising user security.

Affected Systems and Versions

Apache Airflow versions 2.7.0 to 2.7.3 are susceptible to this vulnerability, while version 2.8.0 and later are secure.

Exploitation Mechanism

Malicious entities can exploit this vulnerability by executing a DAG without proper CSRF validation, undermining the user's control over DAG operations.

Mitigation and Prevention

This section offers insights into mitigating the CVE-2023-49920 vulnerability in Apache Airflow.

Immediate Steps to Take

Users are strongly advised to update Apache Airflow to version 2.8.0 or newer to prevent unauthorized DAG executions.

Long-Term Security Practices

Consistent monitoring of security patches and ensuring the latest updates are applied can enhance the overall security posture against such vulnerabilities.

Patching and Updates

Regularly checking for vendor advisories and promptly applying patches can safeguard systems against known vulnerabilities.