CVE-2022-21611 Explained : Impact and Mitigation
Learn about CVE-2022-21611, a vulnerability in MySQL Server impacting versions 8.0.30 and prior. Understand the impact, affected systems, and mitigation steps to secure your infrastructure.
This article provides detailed information about CVE-2022-21611, a vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB) that affects versions 8.0.30 and prior.
Understanding CVE-2022-21611
CVE-2022-21611 is a vulnerability in MySQL Server that allows a high privileged attacker with logon access to compromise the server, potentially leading to a denial of service (DOS) attack.
What is CVE-2022-21611?
CVE-2022-21611 is a difficult to exploit vulnerability that impacts Oracle MySQL Server versions 8.0.30 and earlier. An attacker with logon access can exploit this vulnerability to compromise the server, resulting in unauthorized ability to cause a hang or crash of the server.
The Impact of CVE-2022-21611
Successful exploitation of CVE-2022-21611 can lead to a complete denial of service (DOS) attack on the MySQL Server. The vulnerability has a CVSS 3.1 Base Score of 4.1, with availability impacts.
Technical Details of CVE-2022-21611
Vulnerability Description
The vulnerability in the InnoDB component of Oracle MySQL Server allows attackers to compromise the server, potentially leading to a DOS condition.
Affected Systems and Versions
Versions 8.0.30 and earlier of Oracle MySQL Server are affected by CVE-2022-21611.
Exploitation Mechanism
An attacker with logon access to the infrastructure where MySQL Server executes can exploit this vulnerability to compromise the server and disrupt its availability.
Mitigation and Prevention
Immediate Steps to Take
Oracle recommends applying the latest security updates and patches for MySQL Server to mitigate the risk associated with CVE-2022-21611.
Long-Term Security Practices
Ensure regular monitoring of security advisories and updates from Oracle to stay informed about emerging vulnerabilities and best practices for securing MySQL Server.
Patching and Updates
Stay proactive in applying security patches and updates released by Oracle for MySQL Server to prevent exploitation of known vulnerabilities like CVE-2022-21611.