CVE-2019-2137 : Vulnerability Insights and Analysis
Learn about CVE-2019-2137, a DoS vulnerability in Android's TelecomManager.java file affecting Android-9. Find out the impact, affected systems, exploitation details, and mitigation steps.
Android's TelecomManager.java file contains a vulnerability in the endCall() function, potentially leading to a Denial of Service (DoS) attack affecting Android-9.
Understanding CVE-2019-2137
This CVE identifies a DoS vulnerability in Android's TelecomManager.java file that could be exploited without user interaction.
What is CVE-2019-2137?
The vulnerability in the endCall() function of TelecomManager.java lacks a permission check, allowing for a DoS attack that could block local access to Emergency Services.
The Impact of CVE-2019-2137
- Potential Denial of Service (DoS) attack
- Risk of preventing local access to Emergency Services
- Exploitable without user interaction
Technical Details of CVE-2019-2137
Android's TelecomManager.java file vulnerability details.
Vulnerability Description
The endCall() function in TelecomManager.java lacks a permission check, enabling a DoS attack that could disrupt Emergency Services access.
Affected Systems and Versions
- Product: Android
- Affected Version: Android-9
Exploitation Mechanism
The vulnerability can be exploited without user interaction, posing a risk to Emergency Services access.
Mitigation and Prevention
Protecting against CVE-2019-2137.
Immediate Steps to Take
- Monitor security bulletins for patches
- Implement restrictions on TelecomManager.java function calls
Long-Term Security Practices
- Regularly update Android devices
- Employ security best practices to prevent DoS attacks
Patching and Updates
- Apply security patches promptly
- Verify TelecomManager.java permission checks to prevent DoS vulnerabilities