Improper input validation in MySQL Server - CVE-2021-2389

Vulnerability identifier: #VU55062

CSH Severity: Medium

CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-2389

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote non-authenticated attacker 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 non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.

MySQL Server
Amazon Linux AMI
SUSE CaaS Platform
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Enterprise Storage
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Anolis OS
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
SUSE OpenStack Cloud Crowbar
SUSE OpenStack Cloud
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise Server
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Module for Server Applications
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
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
mecab
Judy
Judy-devel
asio-devel
mecab-ipadic-EUCJP
mecab-ipadic
mysql-server-5.7 (Ubuntu package)
mysql-server (Ubuntu package)
mysql-server-8.0 (Ubuntu package)
mysql
mysql-common
mysql-devel
mysql-errmsg
mysql-libs
mysql-server
mysql-test
mariadb-debuginfo
mariadb
mariadb-client
mariadb-client-debuginfo
mariadb-debugsource
mariadb-galera
mariadb-tools
mariadb-tools-debuginfo
mariadb-errormessages
libmysqld19-debuginfo
libmysqld-devel
libmysqld19
mariadb-server (Ubuntu package)
mariadb-server
mariadb-backup
mariadb-common
mariadb-devel
mariadb-embedded
mariadb-embedded-devel
mariadb-server-galera
mariadb-errmsg
mariadb-gssapi-server
mariadb-oqgraph-engine
mariadb-server-utils
mariadb-test
rh-mariadb103-mariadb (Red Hat package)
libmariadbd19
libmariadbd19-debuginfo
libmariadbd-devel
mariadb-pam
rh-mariadb105-mariadb (Red Hat package)
mariadb105
galera
rh-mariadb103-galera (Red Hat package)
rh-mariadb105-galera (Red Hat package)

Install updates from vendor's website.

MySQL Server - addressed in versions 5.7.35, 8.0.26
rh-mysql80-mysql (Red Hat package) - update to 8.0.26-1.el7
mecab - update to 0.996-1
Judy - update to 1.0.5-18
Judy-devel - update to 1.0.5-18
asio-devel - update to 1.10.8-7
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 (Ubuntu package) - update to 5.7.350ubuntu0.16.04.1+esm1
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
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
mariadb-debuginfo - addressed in versions 10.2.40-3.39.1, 10.2.40-3.43.1, 10.4.21-3.14.1, 10.5.12-3.6.1
mariadb - addressed in versions 10.2.40-3.39.1, 10.2.40-3.43.1, 10.4.21-3.14.1, 10.5.12-3.6.1
mariadb-client - addressed in versions 10.2.40-3.39.1, 10.2.40-3.43.1, 10.4.21-3.14.1, 10.5.12-3.6.1
mariadb-client-debuginfo - addressed in versions 10.2.40-3.39.1, 10.2.40-3.43.1, 10.4.21-3.14.1, 10.5.12-3.6.1
mariadb-debugsource - addressed in versions 10.2.40-3.39.1, 10.2.40-3.43.1, 10.4.21-3.14.1, 10.5.12-3.6.1
mariadb-galera - update to 10.2.40-3.39.1
mariadb-tools - addressed in versions 10.2.40-3.39.1, 10.2.40-3.43.1, 10.4.21-3.14.1, 10.5.12-3.6.1
mariadb-tools-debuginfo - addressed in versions 10.2.40-3.39.1, 10.2.40-3.43.1, 10.4.21-3.14.1, 10.5.12-3.6.1
mariadb-errormessages - addressed in versions 10.2.40-3.39.1, 10.2.40-3.43.1, 10.4.21-3.14.1, 10.5.12-3.6.1
libmysqld19-debuginfo - update to 10.2.40-3.43.1
libmysqld-devel - update to 10.2.40-3.43.1
libmysqld19 - update to 10.2.40-3.43.1
mariadb-server (Ubuntu package) - addressed in versions 1:10.3.31-0ubuntu0.20.04.1, 1:10.5.12-0ubuntu0.21.04.1
mariadb-server - addressed in versions 10.3.32-2, 10.5.13-1
mariadb - addressed in versions 10.3.32-2, 10.5.13-1
mariadb-backup - addressed in versions 10.3.32-2, 10.5.13-1
mariadb-common - addressed in versions 10.3.32-2, 10.5.13-1
mariadb-devel - addressed in versions 10.3.32-2, 10.5.13-1
mariadb-embedded - addressed in versions 10.3.32-2, 10.5.13-1
mariadb-embedded-devel - addressed in versions 10.3.32-2, 10.5.13-1
mariadb-server-galera - addressed in versions 10.3.32-2, 10.5.13-1
mariadb-errmsg - addressed in versions 10.3.32-2, 10.5.13-1
mariadb-gssapi-server - addressed in versions 10.3.32-2, 10.5.13-1
mariadb-oqgraph-engine - addressed in versions 10.3.32-2, 10.5.13-1
mariadb-server-utils - addressed in versions 10.3.32-2, 10.5.13-1
mariadb-test - addressed in versions 10.3.32-2, 10.5.13-1
rh-mariadb103-mariadb (Red Hat package) - update to 10.3.32-2.el7
mariadb - addressed in versions 10.3-3520220716094844.f27b74a8, 10.4-3520220717092835.f27b74a8, 10.5.13-1.fc34, 10.5.13-1.fc35, 10.5-3420211202132324.058368ca, 10.5-3520211202132324.f27b74a8
libmariadbd19 - addressed in versions 10.4.21-3.14.1, 10.5.12-3.6.1
libmariadbd19-debuginfo - addressed in versions 10.4.21-3.14.1, 10.5.12-3.6.1
libmariadbd-devel - addressed in versions 10.4.21-3.14.1, 10.5.12-3.6.1
mariadb-pam - update to 10.5.13-1
rh-mariadb105-mariadb (Red Hat package) - update to 10.5.13-1.el7
mariadb105 - update to 10.5.16-1
galera - addressed in versions 25.3.34-4, 26.4.9-4
rh-mariadb103-galera (Red Hat package) - update to 25.3.34-4.el7
rh-mariadb105-galera (Red Hat package) - update to 26.4.9-3.el7

• 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
• Red Hat Enterprise Linux 8.4 Extended Update Support update for the mariadb:10.3 module
• SUSE update for mariadb
• SUSE update for mariadb
• SUSE update for mariadb
• SUSE update for mariadb
• Ubuntu update for mysql-5.7
• Ubuntu update for mariadb-10.3
• Ubuntu update for mysql-5.7
• Red Hat Software Collections update for rh-mariadb105-mariadb and rh-mariadb105-galera
• Red Hat Software Collections update for rh-mariadb103-mariadb and rh-mariadb103-galera
• openEuler update for mysql
• Amazon Linux AMI update for mariadb105
• Red Hat Enterprise Linux 8 update for the mariadb:10.3 module
• Red Hat Enterprise Linux 8 update for the mariadb:10.5 module
• Fedora 34 update for mariadb
• Fedora 35 update for mariadb
• Fedora 34 Modular update for mariadb
• Fedora 35 Modular update for mariadb
• Fedora 35 Modular update for mariadb
• Fedora 35 Modular update for mariadb
• Anolis OS update for mysql:8.0 module
• Anolis OS update for mariadb:10.3 module
• Anolis OS update for mariadb:10.5 module