Denial of service in MariaDB



Published: 2022-08-16
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-32082
CWE-ID CWE-617
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 medium risk vulnerability.

1) Reachable Assertion

EUVDB-ID: #VU66552

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-32082

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

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

The vulnerability exists due to a reachable assertion at table->get_ref_count() == 0 in dict0dict.cc. A remote user can perform a denial of service attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MariaDB: 10.5.0 - 10.8.3

External links

http://jira.mariadb.org/browse/MDEV-26433


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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