Improper input validation in MySQL Server - CVE-2022-21617

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Main Vulnerability Database Vulnerabilities #VU68449

Improper input validation in MySQL Server - CVE-2022-21617

Published: October 19, 2022


Vulnerability identifier: #VU68449
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-2022-21617
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: Connection Handling 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
mysql-server-5.7 (Ubuntu package)
mysql-server-8.0 (Ubuntu package)
mecab
mecab-ipadic
mecab-ipadic-EUCJP
mysql
rh-mysql80-mysql (Red Hat package)
mysql (Red Hat package)
community-mysql
mysql-devel
mysql-common
mysql-libs
mysql-server
mysql-test
mysql-errmsg
mysql-config
mysql-help
mysql-debugsource
mysql-debuginfo
Isolation Segment
VMware Tanzu Application Service for VMs
EMC ViPR SRM
Dell EMC Storage Monitoring and Reporting (SMR)

How to mitigate CVE-2022-21617

Install updates from vendor's website.

MySQL Server - addressed in versions 5.7.40, 8.0.31
mysql-server-5.7 (Ubuntu package) - addressed in versions 5.7.40-0ubuntu0.16.04.1+esm1, 5.7.40-0ubuntu0.18.04.1
mysql-server-8.0 (Ubuntu package) - addressed in versions 8.0.31-0ubuntu0.20.04.1, 8.0.31-0ubuntu0.22.04.1
mecab - update to 0.996-2
mecab-ipadic - update to 2.7.0.20070801-16.0.1
mecab-ipadic-EUCJP - update to 2.7.0.20070801-16.0.1
mysql - addressed in versions 8.0-3720230907003352.9e842022, 8.0-3820230907003352.75741a8b
rh-mysql80-mysql (Red Hat package) - update to 8.0.32-1.el7
mysql (Red Hat package) - update to 8.0.32-1.el9_2
community-mysql - addressed in versions 8.0.32-1.fc36, 8.0.32-1.fc37
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-libs - update to 8.0.32-1.0.1
mysql-server - update to 8.0.32-1.0.1
mysql-test - update to 8.0.32-1.0.1
mysql-errmsg - update to 8.0.32-1.0.1
mysql-config - 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-help - 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
mysql-debuginfo - 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 - 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-devel - addressed in versions 8.0.35-1, 8.0.38-1
mysql-common - addressed in versions 8.0.35-1, 8.0.38-1
Isolation Segment - addressed in versions 2.3.0, 2.4.0, 2.5.0, 2.6.0, 2.7, 2.8, 2.9, 2.10, 2.11.0, 2.12.0
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
EMC ViPR SRM - update to 4.8.0.1
Dell EMC Storage Monitoring and Reporting (SMR) - update to 4.8.0.1

External References

Related Security Bulletins