Improper input validation in MySQL Server - CVE-2021-2180

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Main Vulnerability Database Vulnerabilities #VU52393

Improper input validation in MySQL Server - CVE-2021-2180

Published: April 21, 2021


Vulnerability identifier: #VU52393
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-2180
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the InnoDB component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.


Affected software

MySQL Server
Gentoo Linux
Amazon Linux AMI
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Anolis OS
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux Server - AUS
SUSE OpenStack Cloud Crowbar
SUSE OpenStack Cloud
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise Server
Ubuntu
openEuler
Fedora
Red Hat Software Collections
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)
mysql57
mysql-server (Ubuntu package)
mysql
community-mysql
mysql-server-8.0 (Ubuntu package)
mysql-test
mysql-server
mysql-libs
mysql-errmsg
mysql-devel
mysql-common
mariadb-client
mariadb
mariadb-client-debuginfo
mariadb-debuginfo
mariadb-debugsource
mariadb-galera
mariadb-errormessages
mariadb-tools-debuginfo
mariadb-tools
Dell EMC Storage Monitoring and Reporting (SMR)

How to mitigate CVE-2021-2180

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
mysql57 - update to 5.7.41-1.18
mysql-server (Ubuntu package) - update to 5.7.350ubuntu0.16.04.1+esm1
mysql - update to 8.0.24-1
community-mysql - addressed in versions 8.0.24-1.fc32, 8.0.24-1.fc33, 8.0.24-1.fc34
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-test - update to 8.0.26-1.0.1
mysql-server - update to 8.0.26-1.0.1
mysql-libs - update to 8.0.26-1.0.1
mysql-errmsg - update to 8.0.26-1.0.1
mysql-devel - update to 8.0.26-1.0.1
mysql-common - update to 8.0.26-1.0.1
mysql - update to 8.0.26-1.0.1
mysql - addressed in versions 8.0-3220210504011648.43bbeeef, 8.0-3320210504011648.601d93de, 8.0-3420210504011648.058368ca
mariadb-client - update to 10.2.39-3.36.1
mariadb - update to 10.2.39-3.36.1
mariadb-client-debuginfo - update to 10.2.39-3.36.1
mariadb-debuginfo - update to 10.2.39-3.36.1
mariadb-debugsource - update to 10.2.39-3.36.1
mariadb-galera - update to 10.2.39-3.36.1
mariadb-errormessages - update to 10.2.39-3.36.1
mariadb-tools-debuginfo - update to 10.2.39-3.36.1
mariadb-tools - update to 10.2.39-3.36.1

External References

Related Security Bulletins