#VU60557 Resource exhaustion in MariaDB - CVE-2021-46668
Published: February 12, 2022
Vulnerability identifier: #VU60557
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-46668
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
MariaDB
MariaDB
Software vendor:
MariaDB Foundation
MariaDB Foundation
Description
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources. A remote user can trigger resource exhaustion via certain long SELECT DISTINCT statements that improperly interact with storage-engine resource limitations for temporary data structures.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.