CVE-2024-45038: meshtastic — Fix

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.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-755 CWE-755

Affected Products

Vendor	Product	Versions
meshtastic	meshtastic_firmware	< 2.4.1

References

Advisories & Patches

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

Frequently Asked Questions

What is CVE-2024-45038? +

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-45038? +

CVE-2024-45038 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-45038? +

CVE-2024-45038 affects products from meshtastic, specifically: meshtastic_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-45038? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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