CVE-2023-5632

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

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*

History

25 Oct 2023, 17:32

Type	Values Removed	Values Added
References	~~(MISC) https://github.com/eclipse/mosquitto/commit/18bad1ff32435e523d7507e9b2ce0010124a8f2d -~~	(MISC) https://github.com/eclipse/mosquitto/commit/18bad1ff32435e523d7507e9b2ce0010124a8f2d - Patch
References	~~(MISC) https://github.com/eclipse/mosquitto/pull/2053 -~~	(MISC) https://github.com/eclipse/mosquitto/pull/2053 - Issue Tracking
CWE		CWE-834
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
CPE		cpe:2.3:a:eclipse:mosquitto::::::::
First Time		Eclipse Eclipse mosquitto

18 Oct 2023, 09:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-10-18 09:15

Updated : 2024-02-28 20:33

NVD link : CVE-2023-5632

Mitre link : CVE-2023-5632

CVE.ORG link : CVE-2023-5632

JSON object : View

Products Affected

eclipse

mosquitto

CWE

CWE-834

Excessive Iteration

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