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Vulnerability DatabaseCVE-2022-21479

CVE-2022-21479: 
MySQL vulnerability analysis and mitigation

Overview

CVE-2022-21479 is a vulnerability in the MySQL Server product of Oracle MySQL, specifically affecting the Server Optimizer component. The vulnerability affects MySQL versions 8.0.28 and prior. It is an easily exploitable vulnerability that allows high privileged attackers with network access via multiple protocols to compromise MySQL Server (Oracle Advisory).

Technical details

The vulnerability has been assigned a CVSS 3.1 Base Score of 5.5, indicating a medium severity level. The CVSS Vector is CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H, which indicates network accessibility, low attack complexity, requires high privileges, no user interaction, and affects confidentiality and availability (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 and unauthorized read access to a subset of MySQL Server accessible data (Oracle Advisory).

Mitigation and workarounds

Oracle has released patches to address this vulnerability in their Critical Patch Update. Users are strongly recommended to update to versions newer than MySQL 8.0.28. The fix is included in subsequent releases of MySQL Server (Oracle Advisory).

Additional resources

Source: This report was generated using AI

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