CVE-2024-29155 Denial of service on Microchip RN4870 devices
An attacker can block Bluetooth pairing on Microchip RN4870 devices by injecting duplicate pairing requests, causing a denial of service.
- 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-2024-29155?
CVE-2024-29155 is a medium-severity denial of service vulnerability in Microchip RN4870, published on 16 Oct 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
On Microchip RN4870 devices, when more than one consecutive PairReqNoInputNoOutput request is received, the device becomes incapable of completing the pairing process. A third party can inject a second PairReqNoInputNoOutput request just after a real one, causing the pair request to be blocked.
Weakness: CWE-239
Which versions are affected by CVE-2024-29155?
How do I fix CVE-2024-29155?
No fix has been published for CVE-2024-29155 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-2024-29155 being exploited?
There is no known exploitation of CVE-2024-29155 in the wild and no public exploit code.
Sources
Also known as GHSA-hw2r-jgp3-3h2v.