Improper input validation in MySQL Server - CVE-2024-20966

Vulnerability identifier: #VU85492

CSH Severity: Medium

CVSS v4.0: 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/E:U/U:Green

CVE-ID: CVE-2024-20966

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

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
openEuler
Ubuntu
Fedora
IBM Security Guardium
mecab
mecab-ipadic-EUCJP
mecab-ipadic
mysql-server-8.0 (Ubuntu package)
rh-mysql80-mysql (Red Hat package)
mysql (Red Hat package)
mysql-test
mysql-server
mysql-libs
mysql-errmsg
mysql-devel
mysql-common
mysql
mysql-debugsource
mysql-debuginfo
mysql-help
mysql-config
community-mysql

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.

Install updates from vendor's website.

• https://www.oracle.com/security-alerts/cpujan2024.html