CVE-2020-25655 : What You Need to Know

An issue in ManagedClusterView API in Red Hat's open-cluster-management could lead to unauthorized disclosure of secrets to users without proper permissions.

Understanding CVE-2020-25655

This CVE involves a vulnerability in the ManagedClusterView API that could potentially expose sensitive information to unauthorized users.

What is CVE-2020-25655?

The vulnerability allows users with view permissions to access cluster secrets meant only for admin users due to a short time window where views created for admin users are accessible to users with limited permissions.

The Impact of CVE-2020-25655

The vulnerability's base severity is rated as MEDIUM with a CVSS base score of 5.7. It poses a high confidentiality impact as unauthorized users can access sensitive cluster secrets.

Technical Details of CVE-2020-25655

This section provides more technical insights into the vulnerability.

Vulnerability Description

The issue in ManagedClusterView API allows users with view permissions to read cluster secrets intended only for admin users during a short time window.

Affected Systems and Versions

Product: open-cluster-management
Vendor: Red Hat
Affected Versions: 2.0.4, 2.1.0

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: Low
User Interaction: Required
Confidentiality Impact: High
Integrity Impact: None
Availability Impact: None

Mitigation and Prevention

Protecting systems from CVE-2020-25655 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor patches promptly to address the vulnerability.
Monitor and restrict access to sensitive cluster secrets.

Long-Term Security Practices

Regularly review and update access control policies.
Conduct security training to raise awareness of data protection.

Patching and Updates

Stay informed about security updates from Red Hat and apply them as soon as they are available.