CVE-2019-17389 — HIGH (7.5)

Vulnerability Description

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.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Riot-Os	Riot	2019.07

References

https://github.com/RIOT-OS/RIOT/pull/12382PatchThird Party Advisory
https://github.com/RIOT-OS/RIOT/pull/12382PatchThird Party Advisory

FAQ

What is CVE-2019-17389?

CVE-2019-17389 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 preve...

How severe is CVE-2019-17389?

CVE-2019-17389 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-17389?

Check the references section above for vendor advisories and patch information. Affected products include: Riot-Os Riot.