CVE-2018-14632 : Vulnerability Insights and Analysis

CVE-2018-14632, published on September 6, 2018, addresses a vulnerability in OpenShift Container Platform before version 3.7. This vulnerability could lead to a denial of service attack on the Openshift master api service.

Understanding CVE-2018-14632

Before diving into the technical details, it's essential to understand the nature and impact of CVE-2018-14632.

What is CVE-2018-14632?

CVE-2018-14632 is a vulnerability that allows an out-of-bound write when applying a patch to an Openshift object using the 'oc patch' feature in OpenShift Container Platform before version 3.7. Exploiting this weakness can result in a denial of service attack on the Openshift master api service responsible for cluster management.

The Impact of CVE-2018-14632

The vulnerability has a CVSS v3.0 base score of 7.7, indicating a high severity level. The attack complexity is low, but the availability impact is high, making it crucial to address this issue promptly.

Technical Details of CVE-2018-14632

Let's delve into the technical aspects of CVE-2018-14632 to understand the vulnerability better.

Vulnerability Description

An out-of-bound write can occur when patching an Openshift object using the 'oc patch' functionality in OpenShift Container Platform before version 3.7. This flaw can be exploited by attackers to launch a denial of service attack on the Openshift master api service.

Affected Systems and Versions

Product: atomic-openshift
Vendor: Red Hat
Versions Affected: atomic-openshift-3.7

Exploitation Mechanism

The vulnerability can be exploited by applying a patch to an Openshift object using the 'oc patch' feature, triggering the out-of-bound write and potentially leading to a denial of service attack.

Mitigation and Prevention

To address CVE-2018-14632 and enhance overall security, consider the following mitigation strategies.

Immediate Steps to Take

Update to a patched version of OpenShift Container Platform beyond 3.7 to mitigate the vulnerability.
Monitor network traffic for any suspicious activity that could indicate an ongoing attack.

Long-Term Security Practices

Implement regular security training for personnel to increase awareness of potential vulnerabilities.
Conduct periodic security audits and assessments to identify and address any security gaps.

Patching and Updates

Regularly apply security patches and updates provided by Red Hat to ensure the latest fixes are in place.