CVE-2023-5632

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Summary

CVECVE-2023-5632
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-10-18 09:15:00 UTC
Updated2023-10-25 17:32:00 UTC
DescriptionIn 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

Risk And Classification

Problem Types: CWE-834

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Eclipse Mosquitto All All All All

References

ReferenceSourceLinkTags
100% CPU usage in case the client doesn't send data - bug fix by przemyslawzygmunt · Pull Request #2053 · eclipse/mosquitto · GitHub MISC github.com
Unconditionally adding an event to the epoll causes 100% CPU usage. T… · eclipse/mosquitto@18bad1f · GitHub MISC github.com
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