Improper input validation in MySQL Cluster - CVE-2020-14853
Published: October 21, 2020
Vulnerability identifier: #VU47825
CSH Severity: Medium
CVSS v4: 4.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-14853
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote authenticated user to manipulate or delete data.
The vulnerability exists due to improper input validation within the Cluster: NDBCluster Plugin component in MySQL Cluster. A remote authenticated user can exploit this vulnerability to manipulate or delete data.
Affected software
MySQL Cluster
Gentoo Linux
Ubuntu
mysql-server-5.7 (Ubuntu package)
mysql-server-8.0 (Ubuntu package)
Gentoo Linux
Ubuntu
mysql-server-5.7 (Ubuntu package)
mysql-server-8.0 (Ubuntu package)
How to mitigate CVE-2020-14853
Install updates from vendor's website.
MySQL Cluster - update to 8.0.22
mysql-server-5.7 (Ubuntu package) - addressed in versions 5.7.32-0ubuntu0.16.04.1, 5.7.32-0ubuntu0.18.04.1
mysql-server-8.0 (Ubuntu package) - addressed in versions 8.0.22-0ubuntu0.20.04.2, 8.0.22-0ubuntu0.20.10.2
mysql-server-5.7 (Ubuntu package) - addressed in versions 5.7.32-0ubuntu0.16.04.1, 5.7.32-0ubuntu0.18.04.1
mysql-server-8.0 (Ubuntu package) - addressed in versions 8.0.22-0ubuntu0.20.04.2, 8.0.22-0ubuntu0.20.10.2