Improper input validation in MySQL Server - CVE-2022-21641

 

Improper input validation in MySQL Server - CVE-2022-21641

Published: October 19, 2022


Vulnerability identifier: #VU68456
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-2022-21641
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: Optimizer component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.


Affected software

MySQL Server
openEuler
IBM Planning Analytics Workspace
mysql-config
mysql-common
mysql-help
mysql-test
mysql-devel
mysql
mysql-libs
mysql-debuginfo
mysql-server
mysql-debugsource
mysql-errmsg

How to mitigate CVE-2022-21641

Install updates from vendor's website.

MySQL Server - update to 8.0.30
IBM Planning Analytics Workspace - update to 2.0.83
mysql-config - 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-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-devel - addressed in versions 8.0.35-1, 8.0.38-1
mysql - 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-errmsg - addressed in versions 8.0.35-1, 8.0.38-1

External References

Related Security Bulletins