CVE-2021-35604 : Exploit Details and Defense Strategies

A vulnerability has been identified in the MySQL Server product of Oracle MySQL, specifically in the InnoDB component. This vulnerability affects versions 5.7.35 and earlier, as well as 8.0.26 and earlier. An attacker with network access can exploit this vulnerability to compromise the MySQL Server, potentially leading to denial of service (DOS) attacks and unauthorized data access.

Understanding CVE-2021-35604

This section provides insights into the nature of the CVE-2021-35604 vulnerability.

What is CVE-2021-35604?

The CVE-2021-35604 vulnerability exists in the MySQL Server product of Oracle MySQL, affecting versions 5.7.35 and prior, along with 8.0.26 and prior. Exploiting this vulnerability can enable a high privileged attacker with network access to compromise the MySQL Server.

The Impact of CVE-2021-35604

Successful exploitation of CVE-2021-35604 can allow an attacker to cause a DOS attack by crashing the MySQL Server repeatably. Additionally, it can grant unauthorized access to manipulate some of the MySQL Server's data.

Technical Details of CVE-2021-35604

In this section, we delve into the technical aspects of CVE-2021-35604.

Vulnerability Description

The vulnerability allows a high privileged attacker to compromise the MySQL Server via multiple protocols, leading to DOS attacks and unauthorized data access.

Affected Systems and Versions

The impacted systems are MySQL Server versions 5.7.35 and earlier, as well as versions 8.0.26 and prior.

Exploitation Mechanism

The vulnerability can be exploited by a high privileged attacker with network access using various protocols to compromise the MySQL Server.

Mitigation and Prevention

Here we discuss the steps to mitigate and prevent exploitation of CVE-2021-35604.

Immediate Steps to Take

It is recommended to apply security patches and updates provided by Oracle to address the vulnerability promptly.

Long-Term Security Practices

Regularly update the MySQL Server to the latest versions and follow security best practices to prevent future vulnerabilities.

Patching and Updates

Ensure timely installation of security patches released by Oracle for the MySQL Server to protect against potential exploitation.