CVE-2017-3217 : Vulnerability Insights and Analysis
Learn about CVE-2017-3217 affecting CalAmp LMU 3030 OBD-II CDMA and GSM devices. Understand the SMS interface vulnerability, its impact, affected systems, exploitation, and mitigation steps.
CalAmp LMU 3030 series OBD-II CDMA and GSM devices have an SMS interface that can be deployed without a password, potentially allowing unauthorized access and control.
Understanding CVE-2017-3217
The vulnerability in CalAmp LMU 3030 series OBD-II devices allows attackers to exploit the SMS interface without a password, leading to unauthorized device manipulation.
What is CVE-2017-3217?
The CalAmp LMU 3030 series OBD-II CDMA and GSM devices feature an SMS interface that, when left unprotected without a password, can be accessed by attackers using the device's phone number.
The Impact of CVE-2017-3217
Without proper password protection, attackers can send administrative commands through the SMS interface, enabling them to control device settings like IP addresses, firewall rules, and passwords, granting ongoing real-time access.
Technical Details of CVE-2017-3217
The vulnerability details and affected systems.
Vulnerability Description
The vulnerability arises from the lack of password protection on the SMS interface of CalAmp LMU 3030 OBD-II CDMA and GSM devices, allowing unauthorized access and control.
Affected Systems and Versions
- Product: LMU 3030 OBD-II
- Vendor: CalAmp
- Affected Versions: CDMA, GSM
Exploitation Mechanism
Attackers exploit the unprotected SMS interface by knowing the device's phone number, gained through methods like IMSI Catchers, to send administrative commands and manipulate device settings.
Mitigation and Prevention
Steps to mitigate the vulnerability and prevent unauthorized access.
Immediate Steps to Take
- Configure a strong password for the SMS interface to prevent unauthorized access.
- Regularly monitor device settings and activities for any suspicious behavior.
Long-Term Security Practices
- Implement multi-factor authentication for device access.
- Conduct security audits and penetration testing to identify and address vulnerabilities.
Patching and Updates
- Apply firmware updates and security patches provided by CalAmp to address the vulnerability and enhance device security.