CVE-2021-46668

mariadb: MariaDB through 10.5.9 allows an application crash via certain long SELECT DISTINCT statements

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

MariaDB through 10.5.9 allows an application crash via certain long SELECT DISTINCT statements that improperly interact with storage-engine resource limitations for temporary data structures.

MariaDB versiones hasta 10.5.9, permite un bloqueo de la aplicación por medio de determinadas sentencias SELECT DISTINCT largas que interactúan inapropiadamente con las limitaciones de recursos del motor de almacenamiento para las estructuras de datos temporales

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-02-01 CVE Reserved
2022-02-01 CVE Published
2024-04-25 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-400: Uncontrolled Resource Consumption

CAPEC

References (8)

URL	Tag	Source
https://security.netapp.com/advisory/ntap-20220221-0002	Third Party Advisory

URL	Date	SRC
https://jira.mariadb.org/browse/MDEV-25787	2024-08-04

URL	Date	SRC
https://mariadb.com/kb/en/security	2023-11-07

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DKJRBYJAQCOPHSED43A3HUPNKQLDTFGD	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZFZVMJL5UDTOZMARLXQIMG3BTG6UNYW	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJ4KDAGF3H4D4BDTHRAM6ZEAJJWWMRUO	2023-11-07
https://access.redhat.com/security/cve/CVE-2021-46668	2022-09-13
https://bugzilla.redhat.com/show_bug.cgi?id=2050032	2022-09-13

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mariadb Search vendor "Mariadb"		Mariadb Search vendor "Mariadb" for product "Mariadb"				>= 10.2.0 < 10.2.43 Search vendor "Mariadb" for product "Mariadb" and version " >= 10.2.0 < 10.2.43"		-		Affected
Mariadb Search vendor "Mariadb"		Mariadb Search vendor "Mariadb" for product "Mariadb"				>= 10.3.0 < 10.3.34 Search vendor "Mariadb" for product "Mariadb" and version " >= 10.3.0 < 10.3.34"		-		Affected
Mariadb Search vendor "Mariadb"		Mariadb Search vendor "Mariadb" for product "Mariadb"				>= 10.4.0 < 10.4.24 Search vendor "Mariadb" for product "Mariadb" and version " >= 10.4.0 < 10.4.24"		-		Affected
Mariadb Search vendor "Mariadb"		Mariadb Search vendor "Mariadb" for product "Mariadb"				>= 10.5.0 < 10.5.15 Search vendor "Mariadb" for product "Mariadb" and version " >= 10.5.0 < 10.5.15"		-		Affected
Mariadb Search vendor "Mariadb"		Mariadb Search vendor "Mariadb" for product "Mariadb"				>= 10.6.0 < 10.6.7 Search vendor "Mariadb" for product "Mariadb" and version " >= 10.6.0 < 10.6.7"		-		Affected
Mariadb Search vendor "Mariadb"		Mariadb Search vendor "Mariadb" for product "Mariadb"				>= 10.7.0 < 10.7.3 Search vendor "Mariadb" for product "Mariadb" and version " >= 10.7.0 < 10.7.3"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				34 Search vendor "Fedoraproject" for product "Fedora" and version "34"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				35 Search vendor "Fedoraproject" for product "Fedora" and version "35"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				36 Search vendor "Fedoraproject" for product "Fedora" and version "36"		-		Affected