Improper input validation in MySQL Server - CVE-2019-2938

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Main Vulnerability Database Vulnerabilities #VU28727

Improper input validation in MySQL Server - CVE-2019-2938

Published: June 5, 2020


Vulnerability identifier: #VU28727
CSH Severity: Low
CVSS v4: 5.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-2938
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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 InnoDB component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.


Affected software

MySQL Server
Amazon Linux AMI
Gentoo Linux
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
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 - AUS
Red Hat Enterprise Linux Server - TUS
Opensuse
Fedora
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
rh-mysql80-mysql (Red Hat package)
rh-mariadb102-mariadb (Red Hat package)
mariadb (Alpine package)
rh-mariadb102-galera (Red Hat package)
community-mysql
mysql
rh-mariadb103-mariadb (Red Hat package)
mariadb
rh-mariadb103-galera (Red Hat package)

How to mitigate CVE-2019-2938

Install updates from vendor's website.

MySQL Server - addressed in versions 5.7.28, 8.0.18
rh-mysql80-mysql (Red Hat package) - update to 8.0.21-1.el7
rh-mariadb102-mariadb (Red Hat package) - addressed in versions 10.2.33-1.el6, 10.2.33-1.el7
mariadb (Alpine package) - update to 10.2.29-r0
rh-mariadb102-galera (Red Hat package) - addressed in versions 25.3.29-1.el6, 25.3.29-1.el7
community-mysql - addressed in versions 8.0.18-1.fc29, 8.0.18-1.fc30, 8.0.18-1.fc31
mysql - addressed in versions 8.0-2920191102174605.6c81f848, 8.0-3020191102174605.a5b0195c, 8.0-3120191102174605.f636be4b
rh-mariadb103-mariadb (Red Hat package) - update to 10.3.27-1.el7
mariadb - addressed in versions 10.4-3020191209134426.a5b0195c, 10.4-3120191209134426.f636be4b
rh-mariadb103-galera (Red Hat package) - update to 25.3.31-1.el7

External References

Related Security Bulletins