CVE-2018-20957 : Vulnerability Insights and Analysis
Learn about CVE-2018-20957 affecting Tapplock devices with BLE subsystem. Find out how replay attacks pre-2018-06-12 could compromise security and steps to prevent unauthorized access.
Replay attacks were found to be possible on Tapplock devices that have the Bluetooth Low Energy (BLE) subsystem, specifically those manufactured prior to 2018-06-12.
Understanding CVE-2018-20957
What is CVE-2018-20957?
The Bluetooth Low Energy (BLE) subsystem on Tapplock devices before 2018-06-12 allows replay attacks.
The Impact of CVE-2018-20957
Replay attacks on Tapplock devices could compromise the security of the smart locks, potentially allowing unauthorized access.
Technical Details of CVE-2018-20957
Vulnerability Description
The vulnerability lies in the BLE subsystem of Tapplock devices manufactured before 2018-06-12, enabling attackers to perform replay attacks.
Affected Systems and Versions
- Product: Tapplock devices
- Vendor: Tapplock
- Versions: All devices manufactured before 2018-06-12
Exploitation Mechanism
Attackers can exploit this vulnerability by intercepting and replaying BLE signals to gain unauthorized access to Tapplock devices.
Mitigation and Prevention
Immediate Steps to Take
- Update Tapplock devices to versions released after 2018-06-12 to mitigate the replay attack vulnerability.
- Avoid using Tapplock devices manufactured before the specified date in critical security applications.
Long-Term Security Practices
- Regularly update firmware and software of IoT devices to patch known vulnerabilities.
- Implement strong encryption and authentication mechanisms to enhance device security.
Patching and Updates
- Tapplock users should regularly check for firmware updates and apply them promptly to ensure the security of their devices.