CVE-2022-46399 Denial of service in n/a
The Microchip RN4870 Bluetooth module firmware becomes unresponsive when handling a specific connection request timeout, 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-2022-46399?
CVE-2022-46399 is a high-severity denial of service vulnerability in n/a, published on 19 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) is unresponsive with ConReqTimeoutZero.
Weakness: CWE-400
Which versions are affected by CVE-2022-46399?
It affects 14 products.
Products include Microchip Bm64 Firmware, Microchip Bm70 Firmware, Microchip Bm71 Firmware, Microchip Bm77 Firmware, Microchip Bm78 Firmware, Microchip Bm83 Firmware and 8 more.
How do I fix CVE-2022-46399?
No fix has been published for CVE-2022-46399 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-2022-46399 being exploited?
There is no known exploitation of CVE-2022-46399 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-6w9r-9p3m-qrj9.