CVE-2019-20473 : Security Advisory and Response

TK-Star Q90 Junior GPS watch version 3.1042.9.8656 has a vulnerability that allows unauthorized access to the SIM card.

Understanding CVE-2019-20473

This CVE identifies a critical issue in the TK-Star Q90 Junior GPS watch that poses a security risk by not allowing the configuration of a PIN on the SIM card.

What is CVE-2019-20473?

The vulnerability in TK-Star Q90 Junior GPS watch version 3.1042.9.8656 prevents the configuration of a PIN on any SIM card used with the device, making it easier for attackers to gain unauthorized access to the SIM card.

The Impact of CVE-2019-20473

The vulnerability increases the risk of unauthorized access to the SIM card by allowing attackers to bypass security measures.

Technical Details of CVE-2019-20473

The technical details of the CVE provide insight into the specific aspects of the vulnerability.

Vulnerability Description

The issue prevents the configuration of a PIN on the SIM card, rendering the device unusable if a PIN is configured.

Affected Systems and Versions

Product: TK-Star Q90 Junior GPS watch
Version: 3.1042.9.8656

Exploitation Mechanism

Attackers can exploit this vulnerability by stealing the device and gaining access to the SIM card without the need for a PIN.

Mitigation and Prevention

Protecting against CVE-2019-20473 requires immediate actions and long-term security practices.

Immediate Steps to Take

Avoid configuring a PIN on the SIM card used with the TK-Star Q90 Junior GPS watch.
Keep the device secure to prevent unauthorized access.

Long-Term Security Practices

Regularly update the device's firmware to patch security vulnerabilities.
Implement strong security measures to protect sensitive data on the device.

Patching and Updates

Ensure that the device is updated with the latest firmware patches to address the vulnerability.