CVE-2021-35607 : Vulnerability Insights and Analysis

A vulnerability has been discovered in the MySQL Server product of Oracle MySQL, specifically within the Server's DML component. This vulnerability, identified as CVE-2021-35607, affects versions 8.0.26 and earlier, potentially allowing a low-privileged attacker with network access to compromise the MySQL Server. Successful exploitation could lead to a complete Denial of Service (DOS) by causing the server to hang or crash repeatedly.

Understanding CVE-2021-35607

This section will provide insights into the nature and impact of the CVE-2021-35607 vulnerability in MySQL Server.

What is CVE-2021-35607?

The CVE-2021-35607 vulnerability is a flaw identified in Oracle MySQL Server, specifically within the DML component. Attackers with network access can exploit this vulnerability in versions 8.0.26 and earlier, potentially leading to a complete DOS by repeatedly crashing or hanging the MySQL Server.

The Impact of CVE-2021-35607

The impact of CVE-2021-35607 is significant as successful exploitation can allow unauthorized attackers to compromise the MySQL Server. This could result in a complete Denial of Service (DOS) by causing the server to hang or crash repeatedly.

Technical Details of CVE-2021-35607

This section will delve into the technical aspects of the CVE-2021-35607 vulnerability in MySQL Server.

Vulnerability Description

The vulnerability in the MySQL Server product of Oracle MySQL lies within the DML component. Exploitation by low-privileged attackers with network access could lead to a complete DOS by causing frequent crashes or hanging of the server.

Affected Systems and Versions

The versions affected by CVE-2021-35607 include MySQL Server 8.0.26 and prior. Users relying on these versions may be at risk of exploitation by attackers with network access.

Exploitation Mechanism

The vulnerability could be exploited by low-privileged attackers with network access through multiple protocols. Successful attacks could grant unauthorized access to compromise the MySQL Server, leading to a complete DOS.

Mitigation and Prevention

In this section, we discuss the steps to mitigate and prevent the CVE-2021-35607 vulnerability from being exploited in MySQL Server.

Immediate Steps to Take

Prompt actions involve updating to a secure version, limiting network exposure for all systems running MySQL Server, and monitoring for any unusual activities that may indicate exploitation.

Long-Term Security Practices

Implementing robust security measures, conducting regular security audits, and educating users on secure practices can enhance the overall security posture against vulnerabilities like CVE-2021-35607.

Patching and Updates

Regularly updating MySQL Server to the latest secure versions provided by Oracle Corporation is essential in patching known vulnerabilities, including CVE-2021-35607.