VDB-197173 · CVE-2022-27387 · Nessus 236542

MariaDB up to 10.7 decimal_bin_size buffer overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in MariaDB up to 10.7. This impacts the function decimal_bin_size. This manipulation causes buffer overflow. This vulnerability appears as CVE-2022-27387. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in MariaDB up to 10.7 (Database Software). Affected by this vulnerability is the function decimal_bin_size. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 04/13/2022. The advisory is shared at jira.mariadb.org. This vulnerability is known as CVE-2022-27387 since 03/21/2022. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/21/2025).

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.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (236542). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Database Software

Name

MariaDB

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/21/2022 🔍
04/13/2022 +22 days 🔍
04/13/2022 +0 days 🔍
05/21/2025 +1134 days 🔍

Sourcesinfo

Advisory: jira.mariadb.org
Status: Confirmed

CVE: CVE-2022-27387 (🔍)
GCVE (CVE): GCVE-0-2022-27387
GCVE (VulDB): GCVE-100-197173

Entryinfo

Created: 04/13/2022 08:47
Updated: 05/21/2025 23:39
Changes: 04/13/2022 08:47 (37), 04/18/2022 16:48 (1), 05/21/2025 23:39 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.