CVE-2021-35618 : Security Advisory and Response

A vulnerability has been identified in the MySQL Cluster product of Oracle MySQL. This CVE affects versions 8.0.26 and prior, potentially allowing a high privileged attacker to compromise the MySQL Cluster.

Understanding CVE-2021-35618

This section will cover what CVE-2021-35618 is and its impact, technical details, and mitigation strategies.

What is CVE-2021-35618?

The vulnerability in MySQL Cluster could be exploited by an attacker with high privileges, attached to the hardware's communication segment, leading to MySQL Cluster compromise.

The Impact of CVE-2021-35618

Successful exploitation could result in unauthorized partial denial of service (DOS) for MySQL Cluster. However, this vulnerability carries a CVSS 3.1 Base Score of 1.8, indicating low severity.

Technical Details of CVE-2021-35618

This section will delve into the vulnerability description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The vulnerability is challenging to exploit and requires human interaction besides the attacker. It could lead to unauthorized partial DOS attacks on MySQL Cluster.

Affected Systems and Versions

The vulnerability impacts Oracle MySQL Cluster versions 8.0.26 and prior.

Exploitation Mechanism

The attacker needs high privileges and access to the physical communication segment to compromise MySQL Cluster.

Mitigation and Prevention

Here, we will discuss immediate steps to take, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

Users should apply relevant patches and monitor system activities closely to detect any unauthorized access.

Long-Term Security Practices

Implement strict access controls and network segmentation to prevent unauthorized access to critical systems like MySQL Cluster.

Patching and Updates

Regularly update MySQL Cluster to the latest secure version to mitigate the risk of exploitation.