Vulnerability in Riot-Os Riot

CVE-2019-17389

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.

EPSS: 0.014 (69.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

References

Frequently asked questions

What is CVE-2019-17389?
CVE-2019-17389 is a high-severity vulnerability in Riot-Os Riot. CVSS score: 7.5/10. Published 2019-10-09.
How severe is CVE-2019-17389?
High severity. CVSS v3 base score is 7.5 out of 10.