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Vulnerability DatabaseCVE-2022-21530

CVE-2022-21530: 
MySQL vulnerability analysis and mitigation

Overview

CVE-2022-21530 is a vulnerability in the MySQL Server product of Oracle MySQL, specifically affecting the Server: Optimizer component. The vulnerability affects MySQL Server versions 8.0.29 and prior. This easily exploitable vulnerability was disclosed in July 2022 as part of Oracle's Critical Patch Update (Oracle CPU).

Technical details

The vulnerability has a CVSS 3.1 Base Score of 4.9 (Medium severity) with the following vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H. The vulnerability requires a high-privileged attacker with network access via multiple protocols to exploit (NVD, NetApp Advisory).

Impact

Successful exploitation of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server (NVD).

Mitigation and workarounds

Oracle has released patches for this vulnerability in MySQL version 8.0.30. Various distributions have also released updated packages, including Fedora 35 and 36 (community-mysql-8.0.30-2) and Ubuntu's MySQL 8.0.30 update for versions 20.04 LTS and 22.04 LTS (Fedora Update, Ubuntu Notice).

Additional resources

Source: This report was generated using AI

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