#VU65754 Buffer overflow in MariaDB - CVE-2022-32081

Vulnerability identifier: #VU65754

Vulnerability risk: Medium

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:Green]

CVE-ID: CVE-2022-32081

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 execute arbitrary code on the target system.

The vulnerability exists due to a use-after-poison in prepare_inplace_add_virtual at /storage/innobase/handler/handler0alter.cc. A local user can trigger the vulnerability to execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MariaDB: 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-26420

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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.