VDB-189523 · CVE-2021-45926 · GCVE-0-2021-45926

MDB Tools 0.9.2 mdb_numeric_to_string stack-based 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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in MDB Tools 0.9.2. It has been classified as critical. This issue affects the function mdb_numeric_to_string. This manipulation causes stack-based overflow. This vulnerability appears as CVE-2021-45926. There is no available exploit. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as critical was found in MDB Tools 0.9.2. Affected by this vulnerability is the function mdb_numeric_to_string. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 01/01/2022. It is possible to read the advisory at bugs.chromium.org. This vulnerability is known as CVE-2021-45926 since 12/31/2021. Technical details of the vulnerability are known, but there is no available exploit.

Applying the patch 373b7ff4c4daf887269c078407cb1338942c4ea6 is able to eliminate this problem. The bugfix is ready for download at github.com.

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

Productinfo

Name

MDB Tools

Version

0.9.2

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

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

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 373b7ff4c4daf887269c078407cb1338942c4ea6

Timelineinfo

12/31/2021 🔍
01/01/2022 +1 days 🔍
01/01/2022 +0 days 🔍
01/05/2022 +4 days 🔍

Sourcesinfo

Advisory: 373b7ff4c4daf887269c078407cb1338942c4ea6
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-45926 (🔍)
GCVE (CVE): GCVE-0-2021-45926
GCVE (VulDB): GCVE-100-189523

Entryinfo

Created: 01/01/2022 10:29
Updated: 01/05/2022 13:13
Changes: 01/01/2022 10:29 (40), 01/05/2022 13:13 (2)
Complete: 🔍
Cache ID: 216::103