CVE-2022-46403 Denial of service in n/a
Attackers can cause a denial of service in Microchip RN4870 Bluetooth modules by sending specially crafted reject messages.
- 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-2022-46403?
CVE-2022-46403 is a high-severity denial of service vulnerability in n/a, published on 19 Dec 2022. An attacker can exploit it over the internet without logging in, 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) mishandles reject messages.
Weakness: CWE-755
Which versions are affected by CVE-2022-46403?
It affects 9 products.
Products include Microchip Bm70 Firmware, Microchip Bm71 Firmware, Microchip Bm78 Firmware, Microchip Bm83 Firmware, Microchip Is1870 Firmware, Microchip Is1871 Firmware and 3 more.
How do I fix CVE-2022-46403?
No fix has been published for CVE-2022-46403 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-2022-46403 being exploited?
There is no known exploitation of CVE-2022-46403 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-gffj-35xf-9h4m.