#VU63833 SQL injection in MariaDB - CVE-2022-27385

Vulnerability identifier: #VU63833

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-27385

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 attacker to perform a denial of service attack.

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

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MariaDB: 10.0.0 - 10.0.38, 10.1.0 - 10.1.48, 10.2.0 - 10.2.44, 10.3.0 - 10.3.35, 10.4.0 - 10.4.25, 10.5.0 - 10.5.16, 10.6.0 - 10.6.8, 10.7.0

---

External links
https://jira.mariadb.org/browse/MDEV-26415
https://security.netapp.com/advisory/ntap-20220526-0008/

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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