MariaDB up to 10.5.13 SELECT Statement ha_maria::extra denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.1 | $0-$5k | 0.00 |
Summary
A vulnerability described as problematic has been identified in MariaDB up to 10.5.13. This impacts the function ha_maria::extra of the component SELECT Statement Handler. The manipulation results in denial of service.
This vulnerability is identified as CVE-2021-46663. The attack can be executed remotely. There is not any exploit available.
Upgrading the affected component is recommended.
Details
A vulnerability, which was classified as problematic, was found in MariaDB up to 10.5.13 (Database Software). Affected is the function ha_maria::extra of the component SELECT Statement 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 released 02/01/2022 as MDEV-26351. The advisory is shared for download at jira.mariadb.org. This vulnerability is traded as CVE-2021-46663 since 02/01/2022. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.
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.
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (236542). Once again VulDB remains the best source for vulnerability data.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 236542
Nessus Name: Alibaba Cloud Linux 3 : 0151: mariadb:10.5 (ALINUX3-SA-2022:0151)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
02/01/2022 🔍02/01/2022 🔍
02/01/2022 🔍
05/21/2025 🔍
Sources
Advisory: MDEV-26351Status: Confirmed
CVE: CVE-2021-46663 (🔍)
GCVE (CVE): GCVE-0-2021-46663
GCVE (VulDB): GCVE-100-192036
Entry
Created: 02/01/2022 07:57Updated: 05/21/2025 23:13
Changes: 02/01/2022 07:57 (40), 02/04/2022 08:30 (1), 05/21/2025 23:13 (16)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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