CVE-2019-2197 : Vulnerability Insights and Analysis
Learn about CVE-2019-2197, a vulnerability in Android versions 8.0, 8.1, 9, and 10 that could lead to unauthorized disclosure of contact lists. Find mitigation steps and long-term security practices.
Android devices are impacted by a potential permission bypass vulnerability that could lead to the disclosure of users' contact lists. This vulnerability affects Android versions 8.0, 8.1, 9, and 10.
Understanding CVE-2019-2197
A vulnerability in the processPhonebookAccess function of CachedBluetoothDevice.java in Android devices could allow unauthorized access to contact lists.
What is CVE-2019-2197?
The vulnerability stems from an insecure default value, enabling disclosure of contact lists without additional execution privileges, contingent on user interaction.
The Impact of CVE-2019-2197
The vulnerability may result in the unauthorized disclosure of users' contact lists, compromising their privacy and potentially exposing sensitive information.
Technical Details of CVE-2019-2197
Android devices are susceptible to this security flaw, impacting specific versions and systems.
Vulnerability Description
The vulnerability in CachedBluetoothDevice.java allows unauthorized access to contact lists due to an insecure default value.
Affected Systems and Versions
- Product: Android
- Versions: Android-8.0, Android-8.1, Android-9, Android-10
Exploitation Mechanism
- Exploiting this vulnerability requires user interaction, making it crucial for users to be cautious while interacting with potentially malicious content.
Mitigation and Prevention
Protecting devices from CVE-2019-2197 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Update Android devices to the latest available security patches to mitigate the vulnerability.
- Avoid interacting with suspicious links or content that may trigger the exploitation of this vulnerability.
Long-Term Security Practices
- Regularly update devices and applications to ensure they are equipped with the latest security features.
- Educate users on safe browsing habits and the importance of being cautious when granting permissions to apps.
Patching and Updates
- Stay informed about security bulletins and updates released by Android to address vulnerabilities like CVE-2019-2197.