CVE-2020-14336 Explained : Impact and Mitigation

A flaw in the Restricted Security Context Constraints (SCC) of Openshift allows attackers to craft custom network packets, potentially leading to a denial of service attack on the OpenShift Container Platform.

Understanding CVE-2020-14336

This CVE identifies a vulnerability in Openshift that could impact system availability.

What is CVE-2020-14336?

The vulnerability in the Restricted Security Context Constraints (SCC) of Openshift enables attackers to create custom network packets, posing a risk of denial of service attacks on the OpenShift Container Platform.

The Impact of CVE-2020-14336

The primary threat posed by this vulnerability is to the availability of the system.

Technical Details of CVE-2020-14336

This section provides technical insights into the CVE.

Vulnerability Description

A flaw in the Restricted Security Context Constraints (SCC) allows pods to generate custom network packets, potentially leading to a denial of service attack on the OpenShift Container Platform.

Affected Systems and Versions

Product: Openshift
Versions: Red Hat OpenShift Container Platform 4.6 and Red Hat OpenShift Container Platform 4.5.16

Exploitation Mechanism

The vulnerability can be exploited by attackers deploying pods to craft custom network packets, which can result in a denial of service attack on the OpenShift Container Platform.

Mitigation and Prevention

Steps to address and prevent the CVE.

Immediate Steps to Take

Monitor network traffic for any suspicious activity
Apply relevant patches and updates promptly

Long-Term Security Practices

Implement strict network segmentation to limit pod capabilities
Regularly review and update security configurations

Patching and Updates

Ensure timely application of security patches and updates to mitigate the vulnerability.