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Vulnerability DatabaseCVE-2022-21370

CVE-2022-21370: 
MySQL vulnerability analysis and mitigation

Overview

CVE-2022-21370 is a vulnerability in the MySQL Server Optimizer component affecting MySQL Server versions 8.0.27 and prior. This security flaw was disclosed as part of Oracle's January 2022 Critical Patch Update (Oracle CPU, Ubuntu Notice).

Technical details

The vulnerability exists in the MySQL Server's Optimizer component and has been assigned a CVSS v3.1 base score of 4.9 (MEDIUM), with the vector: AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H. This indicates that the vulnerability requires high privileges to exploit, but could potentially result in high availability impact to the system (NetApp Advisory).

Impact

Successful exploitation of this vulnerability could allow a high-privileged attacker with network access to cause a denial of service (DoS) condition, potentially resulting in a hang or frequently repeatable crash of the MySQL Server (Oracle CPU).

Mitigation and workarounds

Oracle has released patches to address this vulnerability in MySQL version 8.0.28. Users are strongly recommended to update to this version or later. The fix has been included in Ubuntu's security updates for versions 21.10 and 20.04 LTS (Ubuntu Notice).

Additional resources

Source: This report was generated using AI

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