CVE-2021-35626 Explained : Impact and Mitigation
Learn about CVE-2021-35626, a vulnerability in Oracle MySQL Server (version 8.0.26 and prior), allowing attackers to compromise the server. Find out the impact, technical details, and mitigation steps.
A vulnerability has been identified in the MySQL Server product of Oracle MySQL, specifically in the Server Optimizer component. This vulnerability affects versions 8.0.26 and prior, allowing a high privileged attacker with network access to compromise the MySQL Server. Successful exploitation of this vulnerability can lead to unauthorized actions resulting in a denial-of-service (DOS) attack on the MySQL Server.
Understanding CVE-2021-35626
This section provides detailed insights into the nature of the CVE-2021-35626 vulnerability.
What is CVE-2021-35626?
The vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer) allows attackers with network access to compromise the server, potentially leading to a denial-of-service attack.
The Impact of CVE-2021-35626
Successful exploitation of this vulnerability can result in a complete denial-of-service (DOS) attack on the MySQL Server, providing unauthorized access to cause hang or frequent crashes.
Technical Details of CVE-2021-35626
In this section, we delve into the technical aspects of the CVE-2021-35626 vulnerability.
Vulnerability Description
The vulnerability in the Server Optimizer component of MySQL Server allows high privileged attackers with network access to compromise the system.
Affected Systems and Versions
The vulnerability affects Oracle Corporation's MySQL Server versions 8.0.26 and prior.
Exploitation Mechanism
Attackers with network access can exploit this vulnerability to compromise the MySQL Server, potentially resulting in a complete denial-of-service (DOS) attack.
Mitigation and Prevention
This section outlines the steps to mitigate and prevent the CVE-2021-35626 vulnerability.
Immediate Steps to Take
It is recommended to apply the necessary patches and updates provided by Oracle to address this vulnerability.
Long-Term Security Practices
Implementing strong network security measures and maintaining up-to-date software can help prevent such vulnerabilities in the future.
Patching and Updates
Regularly checking for security updates and applying patches promptly can enhance the security posture of the MySQL Server.