CVE-2023-21917: Medium severity Oracle MySQL Server vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.30 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 8.0.30 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/cpuapr2023.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 8.0.31
Event History
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2023-21917.
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 affected software?
The affected software is Oracle MySQL Server version 8.0.30 and prior.
What is the severity of the vulnerability?
The severity of the vulnerability is medium, with a CVSS score of 4.9.
How can the vulnerability be exploited?
The vulnerability can be exploited by a high privileged attacker with network access via multiple protocols to compromise MySQL Server.