CVE-2023-22066
MySQL vulnerability analysis and mitigation

Overview

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB) affecting versions 8.0.34 and prior, and 8.1.0. This vulnerability (CVE-2023-22066) was disclosed in October 2023 as part of Oracle's Critical Patch Update. The vulnerability allows high privileged attackers with network access via multiple protocols to compromise MySQL Server (Oracle CPU Oct 2023, NVD).

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 specifically affects the InnoDB component of MySQL Server and requires high privileges and network access for exploitation (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. The vulnerability only affects availability with no impact on confidentiality or integrity (Oracle CPU Oct 2023).

Mitigation and workarounds

Oracle has released patches for affected versions through their October 2023 Critical Patch Update. Users are strongly recommended to apply these security patches as soon as possible. The fix is available in MySQL version 8.0.36 for supported versions (Oracle CPU Oct 2023).

Additional resources


SourceThis report was generated using AI

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