Improper input validation in MySQL Server - CVE-2020-2760

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Main Vulnerability Database Vulnerabilities #VU26915

Improper input validation in MySQL Server - CVE-2020-2760

Published: April 15, 2020


Vulnerability identifier: #VU26915
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-2020-2760
CWE-ID: CWE-20
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 InnoDB component in MySQL Server. A remote privileged user can exploit this vulnerability to damange or delete data.


Affected software

MySQL Server
Gentoo Linux
Amazon Linux AMI
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
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 ARM 64 - 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
Opensuse
Ubuntu
openEuler
Fedora
mysql-5.7 (Ubuntu package)
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
mysql-8.0 (Ubuntu package)
rh-mysql80-mysql (Red Hat package)
rh-mariadb102-mariadb (Red Hat package)
mariadb (Alpine package)
rh-mariadb102-galera (Red Hat package)
mariadb-connector-c
community-mysql
mysql
mariadb-server (Ubuntu package)
mariadb
rh-mariadb103-mariadb (Red Hat package)
rh-mariadb103-galera (Red Hat package)
galera

How to mitigate CVE-2020-2760

Install updates from vendor's website.

mysql-5.7 (Ubuntu package) - addressed in versions 5.7.30-0ubuntu0.16.04.1, 5.7.30-0ubuntu0.18.04.1
mysql-8.0 (Ubuntu package) - addressed in versions 8.0.20-0ubuntu0.19.10.1, 8.0.20-0ubuntu0.20.04.1
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 10.2.32-r0
rh-mariadb102-galera (Red Hat package) - addressed in versions 25.3.29-1.el6, 25.3.29-1.el7
mariadb-connector-c - addressed in versions 3.1.8-1.fc32, 3.1.11-1.fc31
community-mysql - addressed in versions 8.0.20-1.fc30, 8.0.20-1.fc31, 8.0.20-1.fc32
mysql - update to 8.0.21-2
mysql - addressed in versions 8.0-3020200430120139.a5b0195c, 8.0-3120200430120139.f636be4b, 8.0-3220200430120139.43bbeeef
mariadb-server (Ubuntu package) - addressed in versions 1:10.1.47-0ubuntu0.18.04.1, 1:10.3.25-0ubuntu0.20.04.1
mariadb - addressed in versions 10.3.25-1.fc31, 10.3.26-1.fc31, 10.3-3120201026103040.f636be4b, 10.3-3220201026103040.43bbeeef, 10.4.13-1.fc32, 10.4-3120200608100001.f636be4b, 10.4-3220200608100001.43bbeeef
rh-mariadb103-mariadb (Red Hat package) - update to 10.3.27-1.el7
rh-mariadb103-galera (Red Hat package) - update to 25.3.31-1.el7
galera - addressed in versions 25.3.31-1.fc31, 26.4.4-2.fc32

External References

Related Security Bulletins