CVE-2019-16754 Null dereference in n/a
An attacker can crash a RIOT OS network node by spoofing MQTT server responses, requiring knowledge of specific protocol details.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-16754?
CVE-2019-16754 is a high-severity vulnerability in n/a, published on 24 Sep 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
RIOT 2019.07 contains a NULL pointer dereference in the MQTT-SN implementation (asymcute), potentially allowing an attacker to crash a network node running RIOT. This requires spoofing an MQTT server response. To do so, the attacker needs to know the MQTT MsgID of a pending MQTT protocol message and the ephemeral port used by RIOT's MQTT implementation. Additionally, the server IP address is required for spoofing the packet.
Weakness: CWE-476
Which versions are affected by CVE-2019-16754?
It affects 1 product.
Products include Riot-Os Riot.
How do I fix CVE-2019-16754?
No fix has been published for CVE-2019-16754 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-16754 being exploited?
There is no known exploitation of CVE-2019-16754 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-fv5h-g6gw-g23h.