CVE-2019-6287 : Vulnerability Insights and Analysis

In the versions of Rancher 2.0.0 to 2.1.5, individuals who are part of a project retain the ability to manage namespaces within the project, even after being removed.

Understanding CVE-2019-6287

In Rancher 2.0.0 through 2.1.5, project members have continued access to create, update, read, and delete namespaces in a project after they have been removed from it.

What is CVE-2019-6287?

This CVE describes a vulnerability in Rancher versions 2.0.0 to 2.1.5 where users can still manage namespaces within a project even after being removed from the project.

The Impact of CVE-2019-6287

The vulnerability allows unauthorized access to namespace management, potentially leading to unauthorized modifications or deletions within the project.

Technical Details of CVE-2019-6287

Vulnerability Description

Users who are removed from a project in Rancher 2.0.0 to 2.1.5 can still manipulate namespaces within the project.

Affected Systems and Versions

Product: Rancher
Versions: 2.0.0 to 2.1.5

Exploitation Mechanism

Unauthorized users can exploit this vulnerability to maintain control over namespaces within a project even after being removed from it.

Mitigation and Prevention

Immediate Steps to Take

Upgrade Rancher to version 2.1.6 or 2.0.11 where the vulnerability is addressed.
Regularly review and remove access for users who are no longer part of a project.

Long-Term Security Practices

Implement strict access control policies to prevent unauthorized access.
Conduct regular security audits to identify and address similar vulnerabilities.

Patching and Updates

Apply patches and updates provided by Rancher to ensure the security of the system.