What is the vulnerability ID for this MySQL Server vulnerability?

The vulnerability ID for this MySQL Server vulnerability is CVE-2023-21878.

What component of Oracle MySQL is affected by this vulnerability?

This vulnerability affects the Server: Optimizer component of Oracle MySQL.

Which versions of Oracle MySQL are affected by this vulnerability?

Versions 8.0.31 and prior of Oracle MySQL are affected by this vulnerability.

How can a high privileged attacker exploit this vulnerability?

A high privileged attacker with network access via multiple protocols can exploit this vulnerability to compromise MySQL Server.

Is there a fix available for this vulnerability?

Yes, Oracle has released a fix for this vulnerability. Please refer to the Oracle Security Advisory for more information.

Vulnerability/
CVE-2023-21878

medium

4.9

17/1/2023

17/9/2024

CVE-2023-21878

First published: Tue Jan 17 2023(Updated: )

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).

Credit: secalert_us@oracle.com

Affected Software	Affected Version	How to fix
Oracle MySQL	>=8.0<=8.0.31

Remedy

https://www.oracle.com/security-alerts/cpujan2023.html

Never miss a vulnerability like this again

Reference Links

https://www.oracle.com/security-alerts/cpujan2023.html

Frequently Asked Questions

What is the vulnerability ID for this MySQL Server vulnerability?
The vulnerability ID for this MySQL Server vulnerability is CVE-2023-21878.
What component of Oracle MySQL is affected by this vulnerability?
This vulnerability affects the Server: Optimizer component of Oracle MySQL.
Which versions of Oracle MySQL are affected by this vulnerability?
Versions 8.0.31 and prior of Oracle MySQL are affected by this vulnerability.
How can a high privileged attacker exploit this vulnerability?
A high privileged attacker with network access via multiple protocols can exploit this vulnerability to compromise MySQL Server.
Is there a fix available for this vulnerability?
Yes, Oracle has released a fix for this vulnerability. Please refer to the Oracle Security Advisory for more information.

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agent/event
vendor/oracle
canonical/oracle mysql
version/oracle mysql/8.0
version/oracle mysql/8.0.31

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