CVE-2022-21417 : Vulnerability Insights and Analysis

This article provides detailed information about CVE-2022-21417, a vulnerability in the MySQL Server product of Oracle MySQL affecting versions 5.7.37 and prior, as well as 8.0.28 and prior.

Understanding CVE-2022-21417

CVE-2022-21417 is a vulnerability in Oracle MySQL's InnoDB component that allows a high privileged attacker with network access to compromise the MySQL Server.

What is CVE-2022-21417?

The vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB) impacts versions 5.7.37 and prior, as well as 8.0.28 and prior. Exploiting this vulnerability could allow unauthorized parties to cause a hang or crash of the MySQL Server.

The Impact of CVE-2022-21417

Successful exploitation of this vulnerability can lead to complete denial of service (DOS) of the MySQL Server. The CVSS 3.1 Base Score is 4.9, with availability impacts considered.

Technical Details of CVE-2022-21417

CVE-2022-21417 has the following technical details:

Vulnerability Description

The vulnerability allows a high privileged attacker with network access to compromise the MySQL Server, potentially leading to a DOS condition.

Affected Systems and Versions

Oracle MySQL versions 5.7.37 and prior, as well as 8.0.28 and prior, are affected by this vulnerability.

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-2022-21417 with these steps:

Immediate Steps to Take

Apply patches provided by Oracle Corporation.
Implement network security measures to restrict access.

Long-Term Security Practices

Regularly update and patch MySQL Server installations.
Monitor for any abnormal server behavior indicating a potential compromise.

Patching and Updates

Stay informed about security updates from Oracle Corporation and promptly apply them to mitigate the vulnerability.