CVE-2023-21935: Medium severity oracle mysql vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.32 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 8.0.32 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
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2023-21935?
The severity of CVE-2023-21935 is medium, with a severity value of 4.9.
How can a high privileged attacker exploit CVE-2023-21935?
A high privileged attacker can exploit CVE-2023-21935 by gaining network access via multiple protocols to compromise the MySQL Server.
Which versions of Oracle MySQL are affected by CVE-2023-21935?
Versions 8.0.32 and prior of Oracle MySQL are affected by CVE-2023-21935.
How do I fix CVE-2023-21935 in Ubuntu?
To fix CVE-2023-21935 in Ubuntu, update the 'mysql-8.0' package to version 8.0.33-0ubuntu0.20.04.1 (for Ubuntu 20.04), 8.0.33-0ubuntu0.22.04.1 (for Ubuntu 22.04), 8.0.33-0ubuntu0.22.10.1 (for Ubuntu 22.10), or 8.0.33-0ubuntu0.23.04.1 (for Ubuntu 23.04).
Are there any references for CVE-2023-21935?
Yes, you can find references for CVE-2023-21935 at the following links: [Oracle Security Alerts](https://www.oracle.com/security-alerts/cpuapr2023.html), [NetApp Security Advisory](https://security.netapp.com/advisory/ntap-20230427-0007/), [Launchpad Bug](https://launchpad.net/bugs/cve/CVE-2023-21935).