Use-after-free in MariaDB

1) Use-after-free

EUVDB-ID: #VU63507

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-2022-27376

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error in the Item_args::walk_arg() function. A remote user can pass specially crafted SQL statements and cause a denial of service.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MariaDB: 10.2.0 - 10.6.5

CPE2.3

• cpe:2.3:a:mariadb_foundation:mariadb:10.2.41:*:*:*:*:*:*:*
• cpe:2.3:a:mariadb_foundation:mariadb:10.3.32:*:*:*:*:*:*:*
• cpe:2.3:a:mariadb_foundation:mariadb:10.4.22:*:*:*:*:*:*:*
• cpe:2.3:a:mariadb_foundation:mariadb:10.5.13:*:*:*:*:*:*:*
• cpe:2.3:a:mariadb_foundation:mariadb:10.6.5:*:*:*:*:*:*:*

External links

https://jira.mariadb.org/browse/MDEV-26354
https://security.netapp.com/advisory/ntap-20220519-0007/

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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