CVE-2024-45038

Device crash via malformed MQTT packet when downlink is enabled in Meshtastic device firmware

State: Published
Severity: 7.5 High
Published: Aug 27, 2024
Updated: Aug 28, 2024
Reserved: Aug 21, 2024

Description

Meshtastic device firmware is a firmware for meshtastic devices to run an open source, off-grid, decentralized, mesh network built to run on affordable, low-power devices. Meshtastic device firmware is subject to a denial of serivce vulnerability in MQTT handling, fixed in version 2.4.1 of the Meshtastic firmware and on the Meshtastic public MQTT Broker. It's strongly suggested that all users of Meshtastic, particularly those that connect to a privately hosted MQTT server, update to this or a more recent stable version right away. There are no known workarounds for this vulnerability.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	GitHub_M

Weaknesses

CWE-755 Improper Handling of Exceptional Conditions

Affected Products

Product	Versions
firmwaremeshtastic	< 2.4.1Affected

References

https://github.com/meshtastic/firmware/security/advisories/GHSA-3x3r-vw9f-pxq5

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