Improper input validation in MySQL Server - CVE-2023-21912

Vulnerability identifier: #VU75270

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-21912

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 Server: Security: Privileges 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
Anolis OS
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Oracle Solaris
Ubuntu
openEuler
IBM Security Guardium
mysql-server-5.7 (Ubuntu package)
mecab
mecab-ipadic-EUCJP
mecab-ipadic
mysql57
mysql (Red Hat package)
mysql-test
mysql-server
mysql-libs
mysql-errmsg
mysql-devel
mysql-common
mysql
mysql-server-8.0 (Ubuntu package)
mysql-debuginfo
mysql-debugsource
mysql-config
mysql-help
Isolation Segment
VMware Tanzu Application Service for VMs
VMware Tanzu Operations Manager

Install updates from vendor's website.

MySQL Server - update to 8.0.31
mysql-server-5.7 (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 5.7.42-0ubuntu0.18.04.1
mecab - update to 0.996-2
Isolation Segment - addressed in versions 2.3.0, 2.4.0, 2.5.0, 2.6.0, 2.7.0, 2.8.0, 2.9.0, 2.10.0, 2.11.0, 2.12.0, 2.13.0, 3.0.0, 4.0.0
VMware Tanzu Application Service for VMs - addressed in versions 2.3.3, 2.4.0, 2.5.0, 2.6.0, 2.7.0, 2.8.0, 2.9.0, 2.10.0, 2.11.0, 2.12.0, 2.13.0, 3.0.0, 4.0.0
mecab-ipadic-EUCJP - update to 2.7.0.20070801-16.0.1
mecab-ipadic - update to 2.7.0.20070801-16.0.1
VMware Tanzu Operations Manager - update to 3.0.10
mysql57 - update to 5.7.42-1.19
mysql (Red Hat package) - update to 8.0.32-1.el9_2
mysql-test - update to 8.0.32-1.0.1
mysql-server - update to 8.0.32-1.0.1
mysql-libs - update to 8.0.32-1.0.1
mysql-errmsg - update to 8.0.32-1.0.1
mysql-devel - update to 8.0.32-1.0.1
mysql-common - update to 8.0.32-1.0.1
mysql - update to 8.0.32-1.0.1
mysql-server-8.0 (Ubuntu package) - addressed in versions 8.0.33-0ubuntu0.20.04.1, 8.0.33-0ubuntu0.22.04.1, 8.0.33-0ubuntu0.22.10.1, 8.0.33-0ubuntu0.23.04.1
mysql-devel - addressed in versions 8.0.35-1, 8.0.38-1
mysql-libs - addressed in versions 8.0.35-1, 8.0.38-1
mysql-debuginfo - addressed in versions 8.0.35-1, 8.0.38-1
mysql-server - addressed in versions 8.0.35-1, 8.0.38-1
mysql-debugsource - addressed in versions 8.0.35-1, 8.0.38-1
mysql-config - addressed in versions 8.0.35-1, 8.0.38-1
mysql-errmsg - addressed in versions 8.0.35-1, 8.0.38-1
mysql-help - addressed in versions 8.0.35-1, 8.0.38-1
mysql-test - addressed in versions 8.0.35-1, 8.0.38-1
mysql-common - addressed in versions 8.0.35-1, 8.0.38-1
mysql - addressed in versions 8.0.35-1, 8.0.38-1

• https://www.oracle.com/security-alerts/cpuapr2023.html

• Multiple vulnerabilities in MySQL Server
• Ubuntu update for mysql-5.7
• Ubuntu update for mysql-5.7
• Red Hat Enterprise Linux 9 update for mysql
• Red Hat Enterprise Linux 8 update for the mysql:8.0 module
• Amazon Linux AMI update for mysql57
• VMware Tanzu products update for MySQL
• Multiple vulnerabilities in Oracle Solaris third-party software
• Multiple vulnerabilities in IBM Security Guardium
• openEuler 22.03 LTS SP1 update for mysql
• openEuler 22.03 LTS SP2 update for mysql
• openEuler 22.03 LTS update for mysql
• openEuler 20.03 LTS SP4 update for mysql
• Anolis OS update for mysql:8.0 module