#VU63519 SQL injection in MariaDB - CVE-2022-27384

Vulnerability identifier: #VU63519

Vulnerability risk: Low

CVSSv4.0: 1.3 [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-2022-27384

CWE-ID: CWE-89

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MariaDB
Server applications / Database software

Vendor: MariaDB Foundation

Description

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

The vulnerability exists due to insufficient sanitization of user-supplied data in the Item_subselect::init_expr_cache_tracker() function. A remote user can send specially crafted SQL statements to the affected application and perform a denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MariaDB: 10.2.0 - 10.2.43, 10.3.0 - 10.3.34, 10.4.0 - 10.4.24, 10.5.0 - 10.5.15, 10.6.0 - 10.6.7

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External links
https://jira.mariadb.org/browse/MDEV-26047
https://security.netapp.com/advisory/ntap-20220519-0006/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.