CVE-2021-35583 : Security Advisory and Response

A detailed overview of CVE-2021-35583, a vulnerability in the MySQL Server product of Oracle MySQL, affecting versions 8.0.25 and prior.

Understanding CVE-2021-35583

This section provides insights into the nature of the vulnerability and its potential impact.

What is CVE-2021-35583?

The vulnerability in MySQL Server allows an unauthenticated attacker with network access to compromise the server, potentially causing a complete denial of service (DOS) by crashing the server. The CVSS 3.1 score is 7.5, indicating high severity.

The Impact of CVE-2021-35583

Successful exploitation of this vulnerability can lead to unauthorized access to cause system crashes, impacting the availability of MySQL Server.

Technical Details of CVE-2021-35583

Explore the technical aspects of the CVE-2021-35583 vulnerability.

Vulnerability Description

The vulnerability in MySQL Server, specifically in the Windows component, allows remote attackers to exploit the server via multiple protocols and cause a DOS condition by crashing the server.

Affected Systems and Versions

Oracle MySQL versions 8.0.25 and prior are affected by this vulnerability, potentially impacting systems running these versions.

Exploitation Mechanism

Attackers with network access can exploit this vulnerability, compromising the MySQL Server and causing availability impacts.

Mitigation and Prevention

Discover the steps to mitigate and prevent exploitation of CVE-2021-35583.

Immediate Steps to Take

It is recommended to apply security patches provided by Oracle to address the vulnerability promptly. Network segmentation and access controls can also help mitigate risks.

Long-Term Security Practices

Regularly monitor security advisories, maintain up-to-date security configurations, and conduct security assessments to bolster overall system security.

Patching and Updates

Ensure timely application of security patches and updates released by Oracle to safeguard MySQL Servers from potential exploits.