MariaDB up to 10.5.9 SELECT DISTINCT denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in MariaDB up to 10.5.9. The affected element is an unknown function of the component SELECT DISTINCT Handler. Performing a manipulation results in denial of service. This vulnerability was named CVE-2021-46668. The attack may be initiated remotely. In addition, an exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as problematic has been found in MariaDB up to 10.5.9 (Database Software). This affects some unknown functionality of the component SELECT DISTINCT Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was presented 02/01/2022 as MDEV-25787. The advisory is shared at jira.mariadb.org. This vulnerability is uniquely identified as CVE-2021-46668 since 02/01/2022. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The exploit is shared for download at jira.mariadb.org. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 236542 (Alibaba Cloud Linux 3 : 0151: mariadb:10.5 (ALINUX3-SA-2022:0151)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at Tenable (236542). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236542
Nessus Name: Alibaba Cloud Linux 3 : 0151: mariadb:10.5 (ALINUX3-SA-2022:0151)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/01/2022 🔍
02/01/2022 +0 days 🔍
02/01/2022 +0 days 🔍
05/21/2025 +1205 days 🔍

Sourcesinfo

Advisory: MDEV-25787
Status: Confirmed

CVE: CVE-2021-46668 (🔍)
GCVE (CVE): GCVE-0-2021-46668
GCVE (VulDB): GCVE-100-192033
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/01/2022 07:54
Updated: 05/21/2025 23:13
Changes: 02/01/2022 07:54 (42), 02/04/2022 08:26 (1), 05/21/2025 23:13 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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