CVE-2021-35598 : Security Advisory and Response

A vulnerability has been identified in Oracle MySQL Cluster that affects several versions. An attacker with high privileges can compromise the MySQL Cluster, potentially leading to a complete takeover. Here's what you need to know about CVE-2021-35598.

Understanding CVE-2021-35598

This section will provide an overview of the CVE-2021-35598 vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2021-35598?

The vulnerability in Oracle MySQL Cluster allows a high-privileged attacker to compromise the system, potentially resulting in a complete takeover. The affected versions include 7.4.33 and prior, 7.5.23 and prior, 7.6.19 and prior, and 8.0.26 and prior.

The Impact of CVE-2021-35598

Successful exploitation of this vulnerability could lead to the compromise of MySQL Cluster, allowing an attacker to take control of the system. The CVSS 3.1 Base Score for this vulnerability is 6.3, indicating medium severity with high impacts on confidentiality, integrity, and availability.

Technical Details of CVE-2021-35598

This section will delve into the technical aspects of the CVE-2021-35598 vulnerability, including its description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability in MySQL Cluster allows a high-privileged attacker with access to compromise the system, potentially resulting in a complete takeover. Successful attacks require human interaction from a person other than the attacker.

Affected Systems and Versions

The vulnerability impacts MySQL Cluster versions 7.4.33 and prior, 7.5.23 and prior, 7.6.19 and prior, and 8.0.26 and prior.

Exploitation Mechanism

To exploit this vulnerability, an attacker needs high privileges and access to the physical communication segment attached to the hardware where MySQL Cluster executes.

Mitigation and Prevention

In this section, we will explore the steps you can take to mitigate the risks associated with CVE-2021-35598 and prevent potential attacks.

Immediate Steps to Take

It is recommended to apply security patches provided by Oracle to address this vulnerability. Additionally, restrict access to the physical communication segment to authorized personnel only.

Long-Term Security Practices

Regular security assessments, access control measures, and employee training on security best practices can help enhance overall system security and reduce the risk of similar vulnerabilities.

Patching and Updates

Stay updated with the latest security advisories from Oracle and apply patches promptly to ensure your systems are protected against known vulnerabilities.