Discover the CVE-2022-45191 vulnerability in Microchip RN4870 1.43 devices allowing denial of service attacks within BLE radio range. Learn about impact, affected systems, exploitation, and mitigation.
A vulnerability on Microchip RN4870 1.43 devices allows an attacker within BLE radio range to execute a denial of service attack by sending a pair confirm message with incorrect values.
Understanding CVE-2022-45191
This section will delve into the details of the CVE-2022-45191 vulnerability.
What is CVE-2022-45191?
The CVE-2022-45191 vulnerability is present in Microchip RN4870 1.43 devices, enabling attackers within BLE radio range to trigger a denial of service by transmitting a pair confirm message with incorrect values.
The Impact of CVE-2022-45191
The vulnerability poses a risk of denial of service attack on affected Microchip RN4870 1.43 devices within the Bluetooth Low Energy (BLE) radio range.
Technical Details of CVE-2022-45191
This section will elaborate on the technical aspects of the CVE-2022-45191 vulnerability.
Vulnerability Description
The vulnerability lies in the capability for an attacker within the BLE radio range to disrupt the service by sending a malformed pair confirm message.
Affected Systems and Versions
The CVE-2022-45191 vulnerability affects Microchip RN4870 1.43 devices.
Exploitation Mechanism
Attackers exploit the vulnerability by sending a pair confirm message with incorrect values when within the BLE radio range of the affected devices.
Mitigation and Prevention
Explore the strategies to mitigate and prevent the CVE-2022-45191 vulnerability in this section.
Immediate Steps to Take
Implement network segmentation and restrict BLE radio access to deter potential attackers.
Long-Term Security Practices
Regularly update device firmware and monitor BLE radio communications for anomalies as a long-term security measure.
Patching and Updates
Stay informed about security patches released by Microchip and promptly apply them to mitigate the vulnerability.