Improper input validation in MySQL Server - CVE-2020-2584

Vulnerability identifier: #VU25717

CSH Severity: Low

CVSS v4: 5.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-2584

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote privileged user to gain access to sensitive information.

The vulnerability exists due to improper input validation within the Server: Options component in MySQL Server. A remote privileged user can exploit this vulnerability to gain access to sensitive information.

MySQL Server
Gentoo Linux
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
openEuler
rh-mysql80-mysql (Red Hat package)
mysql

Install updates from vendor's website.

MySQL Server - addressed in versions 5.7.29, 8.0.19
rh-mysql80-mysql (Red Hat package) - update to 8.0.21-1.el7
mysql - update to 8.0.21-2

• https://www.oracle.com/security-alerts/cpujan2020.html

• Multiple vulnerabilities in Oracle MySQL
• Red Hat Software Collections update for rh-mysql80-mysql
• Gentoo update for MySQL
• openEuler 20.03 LTS update for mysql-8.0.18-2
• Red Hat Enterprise Linux 8 update for the mysql:8.0 module
• Red Hat Enterprise Linux 8 update for the mysql:8.0 module