Command Injection in MariaDB - CVE-2021-27928
Published: March 23, 2021 / Updated: December 15, 2022
Vulnerability identifier: #VU51645
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2021-27928
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: MariaDB Foundation
Affected software:
MariaDB
MariaDB
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary commands on the target system.
The vulnerability exists due to improper input validation in the "wsrep_provider" and "wsrep_notify_cmd" parameters. A remote attacker can pass specially crafted data to the application and execute arbitrary commands on the target system.
How to mitigate CVE-2021-27928
Install updates from vendor's website.
Sources
- https://jira.mariadb.org/browse/MDEV-25179
- https://lists.debian.org/debian-lts-announce/2021/03/msg00028.html
- https://mariadb.com/kb/en/mariadb-10237-release-notes/
- https://mariadb.com/kb/en/mariadb-10328-release-notes/
- https://mariadb.com/kb/en/mariadb-10418-release-notes/
- https://mariadb.com/kb/en/mariadb-1059-release-notes/
- https://mariadb.com/kb/en/security/
- https://github.com/LalieA/CVE-2021-27928