Improper input validation in MySQL Server - CVE-2019-2991

 

Improper input validation in MySQL Server - CVE-2019-2991

Published: June 5, 2020


Vulnerability identifier: #VU28711
CSH Severity: Medium
CVSS v4: 7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-2991
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote privileged user to damange or delete data.

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 damange or delete data.


Affected software

MySQL Server
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
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux Server - AUS
openEuler
Fedora
rh-mysql80-mysql (Red Hat package)
community-mysql
mysql

How to mitigate CVE-2019-2991

Install updates from vendor's website.

rh-mysql80-mysql (Red Hat package) - update to 8.0.21-1.el7
community-mysql - addressed in versions 8.0.18-1.fc29, 8.0.18-1.fc30, 8.0.18-1.fc31
mysql - update to 8.0.22-3
mysql - addressed in versions 8.0-2920191102174605.6c81f848, 8.0-3020191102174605.a5b0195c, 8.0-3120191102174605.f636be4b

External References

Related Security Bulletins