CVE-2020-17515 : What You Need to Know

Apache Airflow prior to version 1.10.13 is vulnerable to a reflected XSS exploit via the 'origin' parameter.

Understanding CVE-2020-17515

This CVE identifies a security vulnerability in Apache Airflow that allows for a reflected XSS attack.

What is CVE-2020-17515?

The vulnerability arises from the 'origin' parameter in certain endpoints like '/trigger' being susceptible to XSS exploitation.

The Impact of CVE-2020-17515

Affected versions: Apache Airflow versions before 1.10.13
The issue is similar to CVE-2020-13944, but the fix in Airflow 1.10.13 did not completely resolve the problem.

Technical Details of CVE-2020-17515

Apache Airflow versions prior to 1.10.13 are at risk due to a specific vulnerability.

Vulnerability Description

The 'origin' parameter in endpoints like '/trigger' is vulnerable to XSS attacks.

Affected Systems and Versions

Product: Apache Airflow
Vendor: Apache Software Foundation
Vulnerable Versions: Apache Airflow versions less than 1.10.13

Exploitation Mechanism

Attackers can exploit the vulnerability by injecting malicious scripts via the 'origin' parameter.

Mitigation and Prevention

Steps to address and prevent the CVE-2020-17515 vulnerability.

Immediate Steps to Take

Upgrade Apache Airflow to version 1.10.13 or later.
Implement input validation to sanitize user inputs.
Monitor and filter user-supplied data to prevent XSS attacks.

Long-Term Security Practices

Regularly update and patch Apache Airflow to the latest secure versions.
Educate developers on secure coding practices to prevent XSS vulnerabilities.

Patching and Updates

Stay informed about security advisories from Apache Airflow.
Apply patches promptly to address known vulnerabilities.