CVE-2020-14623 : Security Advisory and Response

A vulnerability in Oracle MySQL Server (component: InnoDB) allows a high privileged attacker to compromise the server, affecting versions 8.0.20 and prior.

Understanding CVE-2020-14623

This CVE involves an easily exploitable vulnerability in MySQL Server that can lead to a denial of service (DOS) attack.

What is CVE-2020-14623?

The vulnerability in MySQL Server allows a high privileged attacker with network access to compromise the server. Successful exploitation can result in a DOS attack, causing the server to hang or crash.

The Impact of CVE-2020-14623

CVSS 3.1 Base Score: 4.9 (Availability impacts)
Attack Vector: Network
Attack Complexity: Low
Privileges Required: High
Availability Impact: High

Technical Details of CVE-2020-14623

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in MySQL Server allows unauthorized attackers to cause a DOS attack by compromising the server.

Affected Systems and Versions

Product: MySQL Server
Vendor: Oracle Corporation
Affected Versions: 8.0.20 and prior

Exploitation Mechanism

The vulnerability can be exploited by a high privileged attacker with network access via multiple protocols.

Mitigation and Prevention

Protect your systems from CVE-2020-14623 with these mitigation strategies.

Immediate Steps to Take

Apply security patches provided by Oracle promptly.
Monitor network traffic for any suspicious activities.
Restrict network access to the MySQL Server.

Long-Term Security Practices

Regularly update and patch MySQL Server to address security vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Stay informed about security updates from Oracle for MySQL Server.
Regularly check for new patches and apply them to ensure system security.