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Vulnerability DatabaseCVE-2022-21254

CVE-2022-21254: 
MySQL vulnerability analysis and mitigation

Overview

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.27 and prior. This is a difficult to exploit vulnerability that allows low privileged attacker with network access via multiple protocols to compromise MySQL Server (Oracle Advisory).

Technical details

The vulnerability has a CVSS 3.1 Base Score of 5.3 (Availability impacts) with the following vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H. The vulnerability requires network access and low privileges to exploit, though it has high attack complexity. The impact is primarily on system availability with no direct impact on confidentiality or integrity (NVD).

Impact

Successful exploitation of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. The vulnerability affects the availability of the system without compromising data confidentiality or integrity (Oracle Advisory).

Mitigation and workarounds

Oracle released patches for this vulnerability in MySQL version 8.0.28. Users are strongly recommended to upgrade to this version or later. The fix was included in Oracle's Critical Patch Update from January 2022 (Oracle Advisory, Fedora Update).

Additional resources

Source: This report was generated using AI

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