CVE-2021-35633 : Security Advisory and Response

A high privileged attacker with network access can exploit a vulnerability in Oracle MySQL Server (8.0.26 and earlier) leading to a partial denial of service.

Understanding CVE-2021-35633

This CVE involves a vulnerability in the MySQL Server product of Oracle MySQL, specifically affecting versions 8.0.26 and prior.

What is CVE-2021-35633?

The vulnerability allows a high privileged attacker with network access via multiple protocols to compromise the MySQL Server. Successful exploitation can lead to a partial denial of service.

The Impact of CVE-2021-35633

The impact of this CVE is a high privileged attacker gaining unauthorized ability to cause a partial denial of service (partial DOS) of the MySQL Server, with a CVSS 3.1 Base Score of 2.7.

Technical Details of CVE-2021-35633

This section provides detailed technical information regarding the vulnerability.

Vulnerability Description

The vulnerability in the MySQL Server product of Oracle MySQL allows an attacker to compromise the server through multiple network protocols.

Affected Systems and Versions

Oracle MySQL versions 8.0.26 and older are vulnerable to this exploit.

Exploitation Mechanism

The vulnerability is easily exploitable, granting a high privileged attacker the ability to compromise the MySQL Server through network access.

Mitigation and Prevention

Understanding the steps to mitigate and prevent exploitation of CVE-2021-35633 is crucial.

Immediate Steps to Take

Users are advised to apply patches provided by Oracle Corporation to mitigate the vulnerability.

Long-Term Security Practices

Implementing network security measures and restricting high privileges can help prevent similar attacks in the future.

Patching and Updates

Regularly updating the MySQL Server to the latest version provided by Oracle Corporation is essential to address known vulnerabilities and enhance security measures.