Improper input validation in MySQL Server - CVE-2021-2226

Vulnerability identifier: #VU52401

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-2226

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: Information Schema component in MySQL Server. A remote 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
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)
mysql5-libs
mysql5-errmsg
mysql5-embedded-devel
mysql5-embedded
mysql5-devel
mysql5-debugsource
mysql5-debuginfo
mysql5-common
mysql5
mysql5-server
mysql5-test
mysql-server (Ubuntu package)
mysql
mysql-server-8.0 (Ubuntu package)
mysql-common
mysql-devel
mysql-errmsg
mysql-libs
mysql-server
mysql-test
Dell EMC Storage Monitoring and Reporting (SMR)

Install updates from vendor's website.

MySQL Server - addressed in versions 5.7.34, 8.0.24
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
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
mysql5-libs - update to 5.7.38-1
mysql5-errmsg - update to 5.7.38-1
mysql5-embedded-devel - update to 5.7.38-1
mysql5-embedded - update to 5.7.38-1
mysql5-devel - update to 5.7.38-1
mysql5-debugsource - update to 5.7.38-1
mysql5-debuginfo - update to 5.7.38-1
mysql5-common - update to 5.7.38-1
mysql5 - update to 5.7.38-1
mysql5-server - update to 5.7.38-1
mysql5-test - update to 5.7.38-1
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
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

• https://www.oracle.com/security-alerts/cpuapr2021.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
• Ubuntu update for mysql-5.7
• Multiple vulnerabilities in Dell Storage Monitoring and Reporting (SMR)
• openEuler 20.03 LTS SP1 update for mysql
• openEuler update for mysql5
• Anolis OS update for mysql:8.0 module