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Vulnerability DatabaseCVE-2020-2770

CVE-2020-2770: 
MySQL vulnerability analysis and mitigation

Overview

CVE-2020-2770 is a security vulnerability affecting the MySQL Server product of Oracle MySQL, specifically in the Server: Logging component. The vulnerability affects MySQL versions 8.0.18 and prior. This vulnerability was discovered and disclosed in late 2019, with the CVE being created on December 10, 2019 (CVE MITRE).

Technical details

The vulnerability has been assigned a CVSS 3.0 Base Score of 4.9, indicating a medium severity level. The CVSS Vector is (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H), which indicates that the vulnerability is network accessible, requires low attack complexity, needs high privileges, requires no user interaction, has unchanged scope, and can impact system availability (ORACLE CPU).

Impact

Successful exploitation of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server (CVE MITRE).

Mitigation and workarounds

Oracle has released patches to address this vulnerability in their April 2020 Critical Patch Update. Users are advised to upgrade to versions newer than MySQL 8.0.18. Various vendors have also released their own security updates, including NetApp and Red Hat, to address this vulnerability in their products (NETAPP ADVISORY).

Additional resources

Source: This report was generated using AI

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