high7.5
CVE-2019-17389
In RIOT 2019.07, the MQTT-SN implementation (asymcute) mishandles errors occurring during a read operation on a UDP socket.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Riot-Os | Riot | Version 2019.07 |