CVE-2023-21976
First published: Tue Apr 18 2023(Updated: )
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).
Credit: secalert_us@oracle.com secalert_us@oracle.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ubuntu/mysql-8.0 | <8.0.33-0ubuntu0.20.04.1 | 8.0.33-0ubuntu0.20.04.1 |
| ubuntu/mysql-8.0 | <8.0.33-0ubuntu0.22.04.1 | 8.0.33-0ubuntu0.22.04.1 |
| ubuntu/mysql-8.0 | <8.0.33-0ubuntu0.22.10.1 | 8.0.33-0ubuntu0.22.10.1 |
| ubuntu/mysql-8.0 | <8.0.33-0ubuntu0.23.04.1 | 8.0.33-0ubuntu0.23.04.1 |
| ubuntu/mysql-8.0 | <8.0.33 | 8.0.33 |
| debian/mysql-8.0 | <=8.0.32-1 | |
| redhat/mysql | <8.0.33 | 8.0.33 |
| MySQL | >=8.0.0<=8.0.32 |
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Reference Links
- https://www.oracle.com/security-alerts/cpuapr2023.html
- https://security.netapp.com/advisory/ntap-20230427-0007/
- https://launchpad.net/bugs/cve/CVE-2023-21976
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21976
- https://ubuntu.com/security/notices/USN-6060-1
- https://nvd.nist.gov/vuln/detail/CVE-2023-21976
- https://security-tracker.debian.org/tracker/CVE-2023-21976
- https://ubuntu.com/security/CVE-2023-21976
- https://www.oracle.com/security-alerts/cpuapr2023.html#AppendixMSQL
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2196534
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2196535
- https://access.redhat.com/errata/RHSA-2024:0894
- https://access.redhat.com/errata/RHSA-2024:1141
- https://access.redhat.com/errata/RHSA-2024:2619
- https://bugzilla.redhat.com/show_bug.cgi?id=2188129
Frequently Asked Questions
What is CVE-2023-21976?
CVE-2023-21976 is a vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer).
Which versions of MySQL Server are affected by CVE-2023-21976?
Versions 8.0.32 and prior are affected by CVE-2023-21976.
How can a high privileged attacker exploit CVE-2023-21976?
A high privileged attacker with network access via multiple protocols can compromise MySQL Server.
What is the remedy for CVE-2023-21976 on Ubuntu?
The remedy for CVE-2023-21976 on Ubuntu is to upgrade to version 8.0.33-0ubuntu0.20.04.1 (for focal), version 8.0.33-0ubuntu0.22.04.1 (for jammy), version 8.0.33-0ubuntu0.22.10.1 (for kinetic), or version 8.0.33-0ubuntu0.23.04.1 (for lunar).
What is the remedy for CVE-2023-21976 on Debian?
There is no specific remedy mentioned for CVE-2023-21976 on Debian.
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