CVE-2019-3682 : Vulnerability Insights and Analysis

SUSE CaaS Platform 3.0 prior to version 17.09.1_ce-7.6.1 had a vulnerability in the docker-kubic package that exposed an unsafe API on the Kubernetes master node.

Understanding CVE-2019-3682

This CVE involves an insecure API port exposed to all Master Node guest containers.

What is CVE-2019-3682?

The docker-kubic package in SUSE CaaS Platform 3.0 before version 17.09.1_ce-7.6.1 allowed access to an insecure API locally on the Kubernetes master node.

The Impact of CVE-2019-3682

CVSS Base Score: 8.4 (High)
Attack Vector: Local
Attack Complexity: Low
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High
Privileges Required: None
Scope: Unchanged
User Interaction: None

Technical Details of CVE-2019-3682

Vulnerability Description

The docker-kubic package in SUSE CaaS Platform 3.0 before version 17.09.1_ce-7.6.1 provided access to an insecure API on the Kubernetes master node.

Affected Systems and Versions

Affected Product: SUSE CaaS Platform 3.0
Affected Version: < 17.09.1_ce-7.6.1
Package: docker-kubic

Exploitation Mechanism

The vulnerability allowed unauthorized access to an unsafe API on the Kubernetes master node within the local environment.

Mitigation and Prevention

Immediate Steps to Take

Update SUSE CaaS Platform to version 17.09.1_ce-7.6.1 or later.
Monitor and restrict network access to the Kubernetes master node.

Long-Term Security Practices

Regularly update and patch software to prevent vulnerabilities.
Implement network segmentation to limit exposure of critical systems.

Patching and Updates

Apply security patches provided by SUSE to address the vulnerability.