Improper input validation in MySQL Cluster - CVE-2021-35584
Published: October 19, 2021
Vulnerability identifier: #VU57546
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-35584
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote authenticated user to perform service disruption.
The vulnerability exists due to improper input validation within the Cluster: ndbcluster/plugin DDL component in MySQL Cluster. A remote authenticated user can exploit this vulnerability to perform service disruption.
Affected software
MySQL Cluster
IBM Security Guardium
Ubuntu
mysql-server-5.7 (Ubuntu package)
mysql-server-8.0 (Ubuntu package)
IBM Security Guardium
Ubuntu
mysql-server-5.7 (Ubuntu package)
mysql-server-8.0 (Ubuntu package)
How to mitigate CVE-2021-35584
Install updates from vendor's website.
MySQL Cluster - update to 8.0.27
mysql-server-5.7 (Ubuntu package) - update to 5.7.36-0ubuntu0.18.04.1
mysql-server-8.0 (Ubuntu package) - addressed in versions 8.0.27-0ubuntu0.20.04.1, 8.0.27-0ubuntu0.21.04.1, 8.0.27-0ubuntu0.21.10.1
mysql-server-5.7 (Ubuntu package) - update to 5.7.36-0ubuntu0.18.04.1
mysql-server-8.0 (Ubuntu package) - addressed in versions 8.0.27-0ubuntu0.20.04.1, 8.0.27-0ubuntu0.21.04.1, 8.0.27-0ubuntu0.21.10.1