CVE-2019-14951 Explained : Impact and Mitigation
Discover the security vulnerability in Telenav Scout GPS Link app version 1.x for iOS when integrated with Toyota and Lexus vehicles, allowing unauthorized access to the multimedia screen.
The Telenav Scout GPS Link app version 1.x for iOS, when used with Toyota and Lexus vehicles, is vulnerable to unauthorized access due to inadequate defense against brute-force attacks.
Understanding CVE-2019-14951
This CVE highlights a security vulnerability in the Telenav Scout GPS Link app version 1.x for iOS, specifically affecting its authentication mechanism when integrated with Toyota and Lexus vehicles.
What is CVE-2019-14951?
The vulnerability allows unauthorized access to the multimedia screen via port 7050 on the cellular network by exploiting a flaw in the authentication process.
The Impact of CVE-2019-14951
The security flaw enables attackers to compromise the system's security by executing a specific method call, leading to unauthorized access to the multimedia screen.
Technical Details of CVE-2019-14951
The technical aspects of the vulnerability provide insight into its description, affected systems, versions, and exploitation mechanism.
Vulnerability Description
The vulnerability in the Telenav Scout GPS Link app version 1.x for iOS allows unauthorized access to the multimedia screen through a flaw in the authentication process.
Affected Systems and Versions
- Affected System: Telenav Scout GPS Link app version 1.x for iOS
- Affected Vehicles: Toyota and Lexus
Exploitation Mechanism
Attackers exploit the vulnerability by executing a DrivingRestriction method call to uma/jsonrpc/mobile, bypassing the authentication process and gaining unauthorized access.
Mitigation and Prevention
Protecting against CVE-2019-14951 involves immediate steps and long-term security practices.
Immediate Steps to Take
- Disable the Telenav Scout GPS Link app until a patch is available.
- Monitor for any unauthorized access to the multimedia screen.
Long-Term Security Practices
- Regularly update the app and associated systems to patch security vulnerabilities.
- Implement strong authentication mechanisms to prevent unauthorized access.
- Conduct security audits to identify and address potential vulnerabilities.
- Educate users on safe app usage practices.
Patching and Updates
- Stay informed about security updates for the Telenav Scout GPS Link app.
- Apply patches promptly to mitigate the vulnerability and enhance system security.