CVE-2020-0438 : Security Advisory and Response
Learn about CVE-2020-0438, a critical Android vulnerability in AIBinder_Class constructor allowing arbitrary code execution and local privilege escalation. Take immediate security steps.
Android operating system vulnerability with potential arbitrary code execution in the AIBinder_Class constructor of ibinder.cpp, leading to local privilege escalation without user interaction.
Understanding CVE-2020-0438
In this CVE, a flaw in the Android system can allow attackers to execute arbitrary code without user interaction, potentially gaining elevated privileges.
What is CVE-2020-0438?
The AIBinder_Class constructor of ibinder.cpp in Android contains a vulnerability that may result in arbitrary code execution due to uninitialized data, leading to local privilege escalation.
The Impact of CVE-2020-0438
This vulnerability could allow a malicious actor to exploit the Android system, execute arbitrary code, and escalate privileges locally, posing a significant security risk to affected devices.
Technical Details of CVE-2020-0438
This section provides more detailed technical information about the CVE.
Vulnerability Description
The vulnerability lies in the AIBinder_Class constructor of ibinder.cpp in Android, enabling potential arbitrary code execution through uninitialized data.
Affected Systems and Versions
- Product: Android
- Versions: Android-11, Android-10
Exploitation Mechanism
The exploitation of this vulnerability does not require user interaction but can be triggered by a process using libbinder_ndk in a vulnerable manner.
Mitigation and Prevention
Protective measures and steps to mitigate the impact of CVE-2020-0438.
Immediate Steps to Take
- Apply security patches provided by Android to address this vulnerability.
- Regularly update the Android operating system to the latest version to prevent exploitation.
Long-Term Security Practices
- Employ secure coding practices to minimize the risk of arbitrary code execution vulnerabilities.
- Implement strict process controls and permissions to restrict unauthorized access to critical system components.
Patching and Updates
- Stay informed about security bulletins and updates released by Android to promptly apply patches for known vulnerabilities.