CVE-2019-2106 Explained : Impact and Mitigation
Learn about CVE-2019-2106, a critical Android vulnerability allowing remote code execution. Find out how to mitigate the risk and secure your Android device.
A missing bounds check in the ihevcd_sao_shift_ctb function of the ihevcd_sao.c file in Android versions 7.0 to 9 could lead to remote code execution.
Understanding CVE-2019-2106
This CVE involves a vulnerability in Android versions 7.0 to 9 that could allow for remote code execution.
What is CVE-2019-2106?
The vulnerability arises from a missing bounds check in the ihevcd_sao_shift_ctb function of the ihevcd_sao.c file in Android versions 7.0 to 9. This flaw may result in an out-of-bounds write, potentially enabling remote code execution without requiring additional privileges. However, user interaction is necessary for the exploit.
The Impact of CVE-2019-2106
The security issue identified as CVE-2019-2106 could allow attackers to execute code remotely on affected Android devices, posing a significant risk to user data and system integrity.
Technical Details of CVE-2019-2106
This section provides more technical insights into the CVE-2019-2106 vulnerability.
Vulnerability Description
The vulnerability is caused by a missing bounds check in the ihevcd_sao_shift_ctb function of the ihevcd_sao.c file, potentially leading to an out-of-bounds write.
Affected Systems and Versions
Android versions 7.0, 7.1.1, 7.1.2, 8.0, 8.1, and 9 are affected by this vulnerability.
Exploitation Mechanism
Exploiting this vulnerability requires user interaction but could result in remote code execution on the affected Android devices.
Mitigation and Prevention
To address CVE-2019-2106 and enhance system security, follow these mitigation strategies:
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Avoid downloading or opening suspicious files or links.
- Regularly update the Android operating system to the latest version.
Long-Term Security Practices
- Implement strong security measures such as firewalls and intrusion detection systems.
- Educate users about safe browsing habits and the risks of interacting with unknown sources.
Patching and Updates
- Stay informed about security bulletins and updates from Android to address vulnerabilities promptly.