CVE-2019-17389

First published: Wed Oct 09 2019(Updated: )

In RIOT 2019.07, the MQTT-SN implementation (asymcute) mishandles errors occurring during a read operation on a UDP socket. The receive loop ends. This allows an attacker (via a large packet) to prevent a RIOT MQTT-SN client from working until the device is restarted.

Credit: cve@mitre.org

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