#VU65910 Buffer overflow in MariaDB - CVE-2022-32083

Vulnerability identifier: #VU65910

Vulnerability risk: Medium

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/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-2022-32083

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
MariaDB
Server applications / Database software

Vendor: MariaDB Foundation

Description

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

The vulnerability exists due to a segmentation fault via the component Item_subselect::init_expr_cache_tracker. A local user can send a specially crafted data to 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, 10.7.0 - 10.7.3, 10.8.0 - 10.8.2

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External links
https://jira.mariadb.org/browse/MDEV-26047

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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