CVE-2019-17520 Denial of service in n/a
Attackers in radio range can crash Texas Instruments CC2640R2 devices by sending crafted Bluetooth Low Energy SM Public Key packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-17520?
CVE-2019-17520 is a medium-severity denial of service vulnerability in n/a, published on 10 Feb 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The Bluetooth Low Energy implementation on Texas Instruments SDK through 3.30.00.20 for CC2640R2 devices does not properly restrict the SM Public Key packet on reception, allowing attackers in radio range to cause a denial of service (crash) via crafted packets.
Weakness: CWE-120
Which versions are affected by CVE-2019-17520?
It affects 1 product.
Products include Ti Cc2640r2 Software Development Kit.
How do I fix CVE-2019-17520?
No fix has been published for CVE-2019-17520 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2019-17520 being exploited?
There is no known exploitation of CVE-2019-17520 in the wild and no public exploit code.
Sources
Also known as GHSA-xr3c-8qvg-wf25.