#VU98653 Improper input validation in MySQL Server - CVE-2024-21238

Vulnerability identifier: #VU98653

Vulnerability risk: Medium

CVSSv4.0: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-21238

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 authenticated user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Thread Pooling component in MySQL Server. A remote authenticated 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 - 8.0.39, 8.4.0 - 8.4.1, 9.0.0 - 9.0.1

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External links
https://www.oracle.com/security-alerts/cpuoct2024.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.