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NOTICE UPDATED - April, 25th 2024

NIST has updated the NVD program announcement page with additional information regarding recent concerns and the temporary delays in enrichment efforts.

CVE-2023-5632 Detail

Description

In Eclipse Mosquito before and including 2.0.5, establishing a connection to the mosquitto server without sending data causes the EPOLLOUT event to be added, which results excessive CPU consumption. This could be used by a malicious actor to perform denial of service type attack. This issue is fixed in 2.0.6


Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score matches with CNA score
CNA:  Eclipse Foundation
Base Score:  7.5 HIGH
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: The NVD and the CNA have provided the same score. When this occurs only the CNA information is displayed, but the Acceptance Level icon for the CNA is given a checkmark to signify NVD concurrence.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/eclipse/mosquitto/commit/18bad1ff32435e523d7507e9b2ce0010124a8f2d Patch 
https://github.com/eclipse/mosquitto/pull/2053 Issue Tracking 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-834 Excessive Iteration cwe source acceptance level NIST   Reference acceptance level Eclipse Foundation  

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Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2023-5632
NVD Published Date:
10/18/2023
NVD Last Modified:
10/25/2023
Source:
Eclipse Foundation