CVE-2023-33660 - Vulnerability Details - OpenCVE

Description

A heap buffer overflow vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function copyn_str() in the file mqtt_parser.c. An attacker could exploit this vulnerability to cause a denial of service attack.

Published: 2023-06-08

Score: 7.5 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:emqx:nanomq:0.17.2:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2023-37816	A heap buffer overflow vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function copyn_str() in the file mqtt_parser.c. An attacker could exploit this vulnerability to cause a denial of service attack.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00145.

Exploitation none

Automatable yes

Technical Impact partial

References

Link	Providers
https://github.com/emqx/nanomq
https://github.com/emqx/nanomq/issues/1155
https://github.com/nanomq/NanoNNG/pull/509/commits/6815c4036a2344865da393803ecdb7af27d8bde1

History

Mon, 06 Jan 2025 22:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Emqx Nanomq

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2023-06-08T00:00:00.000Z

Updated: 2025-01-06T21:21:57.214Z

Reserved: 2023-05-22T00:00:00.000Z

Link: CVE-2023-33660

Vulnrichment

Updated: 2024-08-02T15:47:06.512Z

NVD

Status : Modified

Published: 2023-06-08T12:15:09.347

Modified: 2025-01-06T22:15:08.337

Link: CVE-2023-33660

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-787

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