Improper input validation in MySQL Server - CVE-2021-2162

Vulnerability identifier: #VU52421

CSH Severity: Low

CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-2162

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote authenticated user to manipulate data.

The vulnerability exists due to improper input validation within the Server: Audit Plug-in component in MySQL Server. A remote authenticated user can exploit this vulnerability to manipulate data.

MySQL Server
Ubuntu
openEuler
Dell EMC Storage Monitoring and Reporting (SMR)
mysql-server-5.7 (Ubuntu package)
mysql-server (Ubuntu package)
mysql
mysql-server-8.0 (Ubuntu package)

Install updates from vendor's website.

MySQL Server - addressed in versions 5.7.34, 8.0.24
Dell EMC Storage Monitoring and Reporting (SMR) - update to 4.6.0.0
mysql-server-5.7 (Ubuntu package) - update to 5.7.34-0ubuntu0.18.04.1
mysql-server (Ubuntu package) - update to 5.7.350ubuntu0.16.04.1+esm1
mysql - update to 8.0.24-1
mysql-server-8.0 (Ubuntu package) - addressed in versions 8.0.25-0ubuntu0.20.04.1, 8.0.25-0ubuntu0.20.10.1, 8.0.25-0ubuntu0.21.04.1

• https://www.oracle.com/security-alerts/cpuapr2021.html

• Multiple vulnerabilities in MySQL Server
• Ubuntu update for mysql-5.7
• Ubuntu update for mysql-5.7
• Multiple vulnerabilities in Dell Storage Monitoring and Reporting (SMR)
• openEuler 20.03 LTS SP1 update for mysql