Vulnerability Details : 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.
Products affected by CVE-2019-17389
- cpe:2.3:o:riot-os:riot:2019.07:-:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-17389
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 41 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-17389
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
References for CVE-2019-17389
-
https://github.com/RIOT-OS/RIOT/pull/12382
emcute: never return from receive loop by nmeum · Pull Request #12382 · RIOT-OS/RIOT · GitHubPatch;Third Party Advisory
Jump to