CVE-2022-21253: Medium severity Oracle MySQL vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.27 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.
External References:
https://www.oracle.com/security-alerts/cpujan2022.html#AppendixMSQL
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.27 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
— MITRE
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/mysqlto a version that resolves this vulnerability.Fixed in 8.0.28
Event History
Frequently Asked Questions
What is the vulnerability ID of this MySQL Server vulnerability?
The vulnerability ID of this MySQL Server vulnerability is CVE-2022-21253.
What component of Oracle MySQL is affected by this vulnerability?
This vulnerability affects the Server: Optimizer component of Oracle MySQL.
Which versions of MySQL Server are affected by this vulnerability?
Versions 8.0.27 and prior of MySQL Server are affected by this vulnerability.
Is this vulnerability easily exploitable?
Yes, this vulnerability is easily exploitable.
What is the severity rating of this vulnerability?
The severity rating of this vulnerability is 4.9 (medium).