CVE-2023-21863: Medium severity Oracle MySQL Server vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.31 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).
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.31 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/cpujan2023.html#AppendixMSQL
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/mysqlto a version that resolves this vulnerability.Fixed in 8.0.32
Event History
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2023-21863.
What is the title of the vulnerability?
The title of the vulnerability is 'Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer).'
What is the severity of CVE-2023-21863?
The severity of CVE-2023-21863 is medium.
What versions of MySQL Server are affected?
The affected versions of MySQL Server are 8.0.31 and prior.
How can a high privileged attacker exploit CVE-2023-21863?
A high privileged attacker with network access via multiple protocols can exploit CVE-2023-21863 to compromise MySQL Server.
Is there a reference link for more information?
Yes, you can find more information about CVE-2023-21863 at the following link: [Oracle Security Alerts](https://www.oracle.com/security-alerts/cpujan2023.html)