CVE-2019-16257 : Vulnerability Insights and Analysis
Learn about CVE-2019-16257, a vulnerability in certain Motorola devices that allows attackers to extract location and IMEI details and execute commands via SIM Toolkit (STK) instructions in SMS messages.
Certain Motorola devices are vulnerable to Simjacker, a threat that exploits the SIMalliance Toolbox Browser on the Universal Integrated Circuit Card (UICC) to extract sensitive information and execute commands.
Understanding CVE-2019-16257
The vulnerability in the SIMalliance Toolbox Browser, also known as the S@T Browser, poses a risk of unauthorized data access and command execution through SMS messages.
What is CVE-2019-16257?
The vulnerability in certain Motorola devices allows attackers to extract location, IMEI details, and execute commands via SIM Toolkit (STK) instructions delivered through SMS messages.
The Impact of CVE-2019-16257
- Malicious individuals can extract sensitive information like location and IMEI details from affected devices.
- Attackers can access other data and execute specific commands through the vulnerability.
Technical Details of CVE-2019-16257
The technical aspects of the vulnerability include:
Vulnerability Description
The SIMalliance Toolbox Browser vulnerability enables unauthorized access to location, IMEI details, and execution of commands through SMS messages.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions: Not applicable
Exploitation Mechanism
The vulnerability is exploited through SIM Toolkit (STK) instructions delivered via SMS messages, allowing attackers to extract sensitive information and execute commands.
Mitigation and Prevention
Protecting against CVE-2019-16257 involves taking immediate steps and implementing long-term security practices:
Immediate Steps to Take
- Disable SIM Toolkit (STK) functionality on affected devices.
- Monitor and filter incoming SMS messages for suspicious content.
Long-Term Security Practices
- Regularly update device firmware and software to patch known vulnerabilities.
- Educate users on safe SMS practices and potential security risks.
Patching and Updates
- Apply security patches and updates provided by Motorola to address the vulnerability in the SIMalliance Toolbox Browser.