Improper input validation in MySQL Server - CVE-2023-21953

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Main Vulnerability Database Vulnerabilities #VU75289

Improper input validation in MySQL Server - CVE-2023-21953

Published: April 18, 2023


Vulnerability identifier: #VU75289
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-2023-21953
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 Server: Partition component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.


Affected software

MySQL Server
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
Fedora
IBM Security Guardium
mecab
mecab-ipadic-EUCJP
mecab-ipadic
mysql-server-5.7 (Ubuntu package)
mysql-server-8.0 (Ubuntu package)
mysql-devel
mysql
mysql-common
mysql-errmsg
mysql-libs
mysql-server
mysql-test
community-mysql
mysql-config
mysql-help
mysql-debuginfo
mysql-debugsource
rh-mysql80-mysql (Red Hat package)
mysql (Red Hat package)
Isolation Segment
VMware Tanzu Application Service for VMs
VMware Tanzu Operations Manager

How to mitigate CVE-2023-21953

Install updates from vendor's website.

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
mysql-server-5.7 (Ubuntu package) - update to 5.7.42-0ubuntu0.18.04.1
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 8.0.33-1, 8.0.36-1.0.1
mysql - addressed in versions 8.0.33-1, 8.0.36-1.0.1
mysql-common - addressed in versions 8.0.33-1, 8.0.36-1.0.1
mysql-errmsg - addressed in versions 8.0.33-1, 8.0.36-1.0.1
mysql-libs - addressed in versions 8.0.33-1, 8.0.36-1.0.1
mysql-server - addressed in versions 8.0.33-1, 8.0.36-1.0.1
mysql-test - addressed in versions 8.0.33-1, 8.0.36-1.0.1
community-mysql - addressed in versions 8.0.34-2.fc37, 8.0.34-2.fc38, 8.0.34-2.fc39
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
mysql-config - 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-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-devel - 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-errmsg - addressed in versions 8.0.35-1, 8.0.38-1
rh-mysql80-mysql (Red Hat package) - update to 8.0.36-1.el7
mysql (Red Hat package) - update to 8.0.36-1.el9_3
mysql - addressed in versions 8.0-3720230907003352.9e842022, 8.0-3820230907003352.75741a8b

External References

Related Security Bulletins