Vulnerability identifier: #VU71276

Vulnerability risk: Medium

CVSSv3.1:

CVE-ID: CVE-2023-21867

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MySQL Server
Server applications / Database software

Vendor: Oracle

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Optimizer component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MySQL Server: 8.0.0 - 8.0.31

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CPE

• cpe:2.3:a:oracle:mysql_server:8.0.0:*:*:*:*:*:*:*

External links
http://www.oracle.com/security-alerts/cpujan2023.html

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?