MariaDB up to 10.5.9 UPDATE Statement set_var.cc denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in MariaDB up to 10.5.9. This affects an unknown function of the file set_var.cc of the component UPDATE Statement Handler. The manipulation leads to denial of service. This vulnerability is referenced as CVE-2021-46662. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in MariaDB up to 10.5.9 (Database Software). This issue affects an unknown code of the file set_var.cc of the component UPDATE Statement Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was published 02/01/2022 as MDEV-25637. It is possible to read the advisory at jira.mariadb.org. The identification of this vulnerability is CVE-2021-46662 since 02/01/2022. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 236627 (Alibaba Cloud Linux 3 : 0034: mariadb:10.5 (ALINUX3-SA-2022:0034)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (236627). Statistical analysis made it clear that VulDB provides the best quality for 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: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236627
Nessus Name: Alibaba Cloud Linux 3 : 0034: mariadb:10.5 (ALINUX3-SA-2022:0034)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/01/2022 🔍
02/01/2022 +0 days 🔍
02/01/2022 +0 days 🔍
05/19/2025 +1203 days 🔍

Sourcesinfo

Advisory: MDEV-25637
Status: Confirmed

CVE: CVE-2021-46662 (🔍)
GCVE (CVE): GCVE-0-2021-46662
GCVE (VulDB): GCVE-100-192035

Entryinfo

Created: 02/01/2022 07:56
Updated: 05/19/2025 23:34
Changes: 02/01/2022 07:56 (40), 02/04/2022 08:29 (1), 05/19/2025 23:34 (16)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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