#VU65764 Buffer overflow in MariaDB - CVE-2022-32085

Vulnerability identifier: #VU65764

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-32085

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 escalate privileges on the system.

The vulnerability exists due to a segmentation fault via the component Item_func_in::cleanup/Item::cleanup_processor. A local user can send a specially crafted file, trigger memory corruption and escalate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MariaDB: 10.2.0 - 10.2.44, 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

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External links
https://jira.mariadb.org/browse/MDEV-26407

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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.