Buffer overflow in MariaDB - CVE-2022-27387

Vulnerability identifier: #VU63521

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2022-27387

CWE-ID: CWE-120

Exploitation vector: Remote access

Exploit availability: No public exploit available

Affected software:
MariaDB
Amazon Linux AMI
SUSE CaaS Platform
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Enterprise Storage
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Anolis OS
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux Server - AUS
SUSE OpenStack Cloud
SUSE OpenStack Cloud Crowbar
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise Server
Slackware Linux
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Server for SAP Applications
SUSE Linux Enterprise Module for Server Applications
openSUSE Leap
openEuler
Ubuntu
Fedora
Red Hat Software Collections
RecoverPoint for Virtual Machines
Unified Security Management
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
rh-mariadb103-mariadb (Red Hat package)
SUSE Linux Enterprise Module for Packagehub Subpackages
rh-mariadb103-galera (Red Hat package)
mysql-selinux (Red Hat package)
Judy
Judy-devel
asio-devel
mariadb-tools-debuginfo
mariadb-tools
mariadb-galera
mariadb-debugsource
mariadb-debuginfo
mariadb-client-debuginfo
mariadb-client
mariadb
mariadb-errormessages
libmysqld19-debuginfo
libmysqld-devel
libmysqld19
mariadb-gssapi-server
mariadb-embedded-devel
mariadb-test
mariadb-devel
mariadb-oqgraph-engine
mariadb-errmessage
mariadb-cracklib
mariadb-common
mariadb-backup
mariadb-embedded
mariadb-server-galera
mariadb-server
mariadb-server-utils
mariadb-errmsg
mariadb-server (Ubuntu package)
libmariadbd19-debuginfo
libmariadbd19
libmariadbd-devel
mariadb105
rh-mariadb105-mariadb (Red Hat package)
mariadb (Red Hat package)
mariadb-pam
mariadb-test-debuginfo
mariadb-rpm-macros
mariadb-bench-debuginfo
mariadb-bench
galera
rh-mariadb105-galera (Red Hat package)
galera (Red Hat package)
IBM Cloud Object Storage Systems
IBM Cloud Pak for Business Automation

The vulnerability allows a remote user to perform a denial of service attack.

The vulnerability exists due to buffer overflow error in the decimal_bin_size component. A remote user can send specially crafted SQL statements to the affected application, trigger buffer overflow error and perform a denial of service attack.

Install updates from vendor's website.

• https://jira.mariadb.org/browse/MDEV-26422