Use-after-free in MariaDB



Published: 2022-05-23 | Updated: 2022-08-04
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-27376
CWE-ID CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		MariaDB
Server applications / Database software

Vendor MariaDB Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Use-after-free

EUVDB-ID: #VU63507

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

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

External links

http://jira.mariadb.org/browse/MDEV-26354
http://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.



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