MDB Tools 0.9.2 mdb_numeric_to_string stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in MDB Tools 0.9.2. It has been declared as critical. Impacted is the function mdb_numeric_to_string. Such manipulation leads to stack-based overflow. This vulnerability is traded as CVE-2021-45927. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in MDB Tools 0.9.2. Affected by this issue is the function mdb_numeric_to_string. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to 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). Impacted is confidentiality, integrity, and availability.

The weakness was shared 01/01/2022. The advisory is shared for download at bugs.chromium.org. This vulnerability is handled as CVE-2021-45927 since 12/31/2021. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 261259 (Linux Distros Unpatched Vulnerability : CVE-2021-45927), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (261259). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

License

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Nessus ID: 261259
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2021-45927

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 🔍
09/09/2025 +1347 days 🔍

Sourcesinfo

Advisory: 373b7ff4c4daf887269c078407cb1338942c4ea6
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-45927 (🔍)
GCVE (CVE): GCVE-0-2021-45927
GCVE (VulDB): GCVE-100-189524

Entryinfo

Created: 01/01/2022 10:29
Updated: 09/09/2025 12:26
Changes: 01/01/2022 10:29 (40), 01/05/2022 13:19 (2), 09/09/2025 12:26 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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