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Vulnerability DatabaseCVE-2023-22028

CVE-2023-22028: 
MySQL vulnerability analysis and mitigation

Overview

CVE-2023-22028 is a vulnerability in the MySQL Server product of Oracle MySQL, specifically affecting the Server: Optimizer component. The vulnerability affects MySQL versions 5.7.43 and prior, and 8.0.31 and prior. This vulnerability was disclosed in October 2023 as part of Oracle's Critical Patch Update (Oracle CPU).

Technical details

The vulnerability has been assigned 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 is characterized as easily exploitable and requires a high-privileged attacker with network access via multiple protocols to compromise MySQL Server (NVD).

Impact

Successful exploitation of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash, leading to a complete denial of service (DoS) of MySQL Server. The vulnerability only affects availability, with no impact on confidentiality or integrity (Oracle CPU).

Mitigation and workarounds

Oracle has released patches to address this vulnerability in their October 2023 Critical Patch Update. Users should upgrade to MySQL versions newer than 5.7.43 for the 5.7 series or versions newer than 8.0.31 for the 8.0 series. For Ubuntu systems, fixes are available through Ubuntu Pro and Ubuntu Pro (Infra-only) via ESM Infra (Ubuntu Security).

Additional resources

Source: This report was generated using AI

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