CVE-2019-17627 : Vulnerability Insights and Analysis
Learn about CVE-2019-17627, a vulnerability in the Yale Bluetooth Key mobile app allowing unauthorized unlocking. Find out the impact, affected systems, exploitation, and mitigation steps.
Yale Bluetooth Key mobile application vulnerability allows unauthorized unlocking by intercepting and analyzing Bluetooth Low Energy (BLE) communication during an authorized unlock process.
Understanding CVE-2019-17627
This CVE involves a security flaw in the Yale Bluetooth Key mobile application that can lead to unauthorized access to locks.
What is CVE-2019-17627?
The vulnerability allows attackers to calculate the authentication key by analyzing BLE communication during a legitimate unlock action.
The Impact of CVE-2019-17627
The vulnerability affects the Yale ZEN-R lock and potentially other models, enabling unauthorized unlocking.
Technical Details of CVE-2019-17627
The technical aspects of the vulnerability are as follows:
Vulnerability Description
- Unauthorized unlocking via BLE communication interception
- Calculation of authentication key from legitimate unlock process
Affected Systems and Versions
- Product: Yale ZEN-R lock
- Vendor: Yale
- Versions: Not specified
Exploitation Mechanism
- Intercepting BLE communication during an authorized unlock
- Analyzing and calculating the authentication key
Mitigation and Prevention
Steps to address the CVE-2019-17627 vulnerability:
Immediate Steps to Take
- Avoid using the Yale Bluetooth Key mobile application
- Implement alternative security measures for locks
Long-Term Security Practices
- Regularly update mobile applications and lock firmware
- Use additional authentication methods for enhanced security
Patching and Updates
- Check for security patches from Yale for the affected locks
- Stay informed about security updates and apply them promptly