PT-2019-15123 · Riot · Riot

Nmeum · Published 2019-10-09 · Updated 2020-08-24 · CVE-2019-17389

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions RIOT version 2019.07

Description The MQTT-SN implementation in RIOT mishandles errors during a read operation on a UDP socket, causing the receive loop to end. This allows an attacker to prevent a RIOT MQTT-SN client from working until the device is restarted by sending a large packet.

Recommendations For RIOT version 2019.07, consider restarting the device after encountering the issue as a temporary workaround until a patch is available.

Fix

Related Identifiers

CVE-2019-17389

Affected Products

Riot

References · 3

• https://github.com/RIOT-OS/RIOT/pull/12382 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2019-17389 · Security Note
• https://osv.dev/vulnerability/CVE-2019-17389 · Vendor Advisory