CVE-2022-21378 Denial of service in MySQL Server

Medium 5.5 Published 19 Jan 2022 Updated 24 Sep 2024

High-privileged attackers can cause MySQL Server crashes and modify data via the Optimizer component.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2022-21378?

CVE-2022-21378 is a medium-severity denial of service vulnerability in Netapp Oncommand Insight, published on 19 Jan 2022. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.27 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 as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 5.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H).

Which versions are affected by CVE-2022-21378?

It affects 3 products.

Products include Netapp Oncommand Insight, Netapp Oncommand Workflow Automation, Oracle Mysql.

How do I fix CVE-2022-21378?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2022-21378 being exploited?

There is no known exploitation of CVE-2022-21378 in the wild and no public exploit code.

All Netapp Oncommand Insight vulnerabilities

Sources

Also known as AZL-7745, GHSA-fvfh-cg4f-mhxm, UBUNTU-CVE-2022-21378.