CVE-2021-46225 : A buffer overflow in the GmfOpenMesh() function of libMeshb v7.61 allows attacke

A buffer overflow in the GmfOpenMesh() function of libMeshb v7.61 allows attackers to cause a Denial of Service (DoS) via a crafted MESH file.

Published 2022-01-12 20:15:09

Updated 2022-01-15 02:18:16

Source MITRE

View at NVD, CVE.org

Vulnerability category: OverflowDenial of service

Products affected by CVE-2021-46225

Libmeshb Project » Libmeshb » Version: 7.61
cpe:2.3:a:libmeshb_project:libmeshb:7.61:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.29%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 49 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:N/A:P	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	2.8	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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.

Assigned by: nvd@nist.gov (Primary)

https://github.com/LoicMarechal/libMeshb/commit/8cd68c54e0647c0030ae4506a225ad4a2655c316

Removed a potential buffer overflow crash in GmfOpenMesh and debugged… · LoicMarechal/libMeshb@8cd68c5 · GitHub
Patch;Third Party Advisory
https://github.com/LoicMarechal/libMeshb/issues/21

Buffer overflow when processing malformed mesh files · Issue #21 · LoicMarechal/libMeshb · GitHub
Exploit;Issue Tracking;Third Party Advisory

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