Improper input validation in MySQL Server - CVE-2021-2374

Vulnerability identifier: #VU55092

CSH Severity: Low

CVSS v4: 5.6 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-2374

CWE-ID: CWE-20

Exploitation vector: Local access

Exploit availability: No public exploit available

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

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

MySQL Server
Red Hat Software Collections
Anolis OS
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
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 - TUS
Red Hat Enterprise Linux Server - AUS
Ubuntu
openEuler
Fedora
rh-mysql80-mysql (Red Hat package)
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
mecab
mecab-ipadic-EUCJP
mecab-ipadic
mysql-server-5.7 (Ubuntu package)
mysql-server-8.0 (Ubuntu package)
mysql
community-mysql
mysql-common
mysql-devel
mysql-errmsg
mysql-libs
mysql-server
mysql-test

Install updates from vendor's website.

MySQL Server - update to 8.0.26
rh-mysql80-mysql (Red Hat package) - update to 8.0.26-1.el7
mecab - update to 0.996-1
mecab-ipadic-EUCJP - update to 2.7.0.20070801-16.0.1
mecab-ipadic - update to 2.7.0.20070801-16.0.1
mysql-server-5.7 (Ubuntu package) - update to 5.7.35-0ubuntu0.18.04.1
mysql-server-8.0 (Ubuntu package) - addressed in versions 8.0.26-0ubuntu0.20.04.2, 8.0.26-0ubuntu0.21.04.3
mysql - update to 8.0.26-1
community-mysql - addressed in versions 8.0.26-1.fc33, 8.0.26-1.fc34
mysql - update to 8.0.26-1.0.1
mysql-common - update to 8.0.26-1.0.1
mysql-devel - update to 8.0.26-1.0.1
mysql-errmsg - update to 8.0.26-1.0.1
mysql-libs - update to 8.0.26-1.0.1
mysql-server - update to 8.0.26-1.0.1
mysql-test - update to 8.0.26-1.0.1
mysql - addressed in versions 8.0-3320210817160118.601d93de, 8.0-3420210817160118.058368ca

• https://www.oracle.com/security-alerts/cpujul2021.html

• Multiple vulnerabilities in MySQL Server
• Red Hat Enterprise Linux 8.4 update for the mysql:8.0 module
• Red Hat Software Collections update for rh-mysql80-mysql
• Ubuntu update for mysql-5.7
• openEuler update for mysql
• Fedora 33 update for community-mysql
• Fedora 34 update for community-mysql
• Fedora 33 Modular update for mysql
• Fedora 34 Modular update for mysql
• Anolis OS update for mysql:8.0 module