PT-2021-2891 · Oracle+8 · Mysql Server+7
Yaoguang Chen
·
Published
2021-04-20
·
Updated
2021-12-31
·
CVE-2021-2169
CVSS v3.1
7.2
High
| Vector | AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
MySQL Server versions 5.7.33 and prior
MySQL Server versions 8.0.23 and prior
Description
The issue is related to insufficient input validation in the Server: Optimizer component of Oracle MySQL Server. It allows a high-privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks can result in the unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.
Recommendations
For MySQL Server versions 5.7.33 and prior, update to a version later than 5.7.33 to resolve the issue.
For MySQL Server versions 8.0.23 and prior, update to a version later than 8.0.23 to resolve the issue.
As a temporary workaround, consider restricting network access to the MySQL Server to minimize the risk of exploitation.
Exploit
Fix
RCE
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Almalinux
Centos
Linuxmint
Mysql Server
Red Hat
Rocky Linux
Ubuntu