CVE-2022-21436: Medium severity Oracle MySQL Server vulnerability
Last updated 24 July 2024
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.28 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/cpuapr2022.html#AppendixMSQL
— Red Hat
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.28 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).
— Launchpad
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/mysqlto a version that resolves this vulnerability.Fixed in 8.0.29 - Upgrade
Upgrade
debian/mysql-8.0to a version that resolves this vulnerability.Fixed in 8.0.42-1
Event History
Frequently Asked Questions
What is the severity of CVE-2022-21436?
CVE-2022-21436 is classified as an easily exploitable vulnerability that allows high privileged attackers to compromise MySQL Server.
How do I fix CVE-2022-21436?
To fix CVE-2022-21436, upgrade MySQL Server to version 8.0.29 or later.
What versions of MySQL Server are affected by CVE-2022-21436?
CVE-2022-21436 affects MySQL Server versions 8.0.28 and prior.
Who should be concerned about CVE-2022-21436?
Administrators of MySQL Server versions 8.0.28 and earlier should be concerned about CVE-2022-21436.
What type of access is required to exploit CVE-2022-21436?
CVE-2022-21436 can be exploited by attackers with network access via multiple protocols.