CVE-2021-39236 Explained : Impact and Mitigation

Apache Ozone before 1.2.0 allows authenticated users with valid Ozone S3 credentials to create specific OM requests, impersonating any other user.

Understanding CVE-2021-39236

In this CVE, Apache Ozone has a vulnerability that enables authenticated users to perform unauthorized actions.

What is CVE-2021-39236?

The vulnerability in Apache Ozone before version 1.2.0 allows authenticated users to impersonate others by creating specific OM requests.

The Impact of CVE-2021-39236

This vulnerability can lead to unauthorized access and actions, compromising the integrity and security of data stored in Apache Ozone.

Technical Details of CVE-2021-39236

Apache Ozone's vulnerability has the following technical details:

Vulnerability Description

Authenticated users with valid Ozone S3 credentials can impersonate any other user by creating specific OM requests.

Affected Systems and Versions

Product: Apache Ozone
Vendor: Apache Software Foundation
Versions Affected: <= 1.0 (specifically version 1.0)

Exploitation Mechanism

Authenticated users with valid Ozone S3 credentials use this vulnerability to impersonate other users and perform unauthorized actions.

Mitigation and Prevention

To address CVE-2021-39236, consider the following:

Immediate Steps to Take

Upgrade to Apache Ozone release version 1.2.0 to mitigate the vulnerability.

Long-Term Security Practices

Implement strict access controls and regularly review and update authorization mechanisms.
Conduct security training to educate users on best practices for handling authentication and authorization.

Patching and Updates

Stay informed about security updates and patches released by Apache Software Foundation to address vulnerabilities like CVE-2021-39236.