Firmware Vulnerability in Microchip RN4870 Module and LightBlue Explorer Demo
CVE-2022-46401

5.4MEDIUM

Key Information:

Vendor

Microchip

Status
Bm78 Firmware
Vendor
CVE Published:
19 December 2022

What is CVE-2022-46401?

The Microchip RN4870 module firmware version 1.43 and the LightBlue Explorer Demo 4.2 DT100112 exhibit a vulnerability where the device can accept a PauseEncReqPlainText message prior to the completion of the pairing process. This situation may expose the module to potential security risks as it can lead to unintended interactions and may allow attackers to inject malicious commands during the initialization phase of the Bluetooth connection.

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References

https://www.computer.org/csdl/proceedings/sp/2023/1He7WWu...
https://www.computer.org/csdl/proceedings-article/sp/2023...
https://microchip.com

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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