CVE-2020-0346 Explained : Impact and Mitigation
Learn about CVE-2020-0346, an integer overflow vulnerability in Android Mediaserver leading to local privilege escalation on Android-11 devices. Find out how to mitigate and prevent exploitation.
Android Mediaserver vulnerability leading to local escalation of privilege.
Understanding CVE-2020-0346
A vulnerability in Mediaserver on Android-11 can result in an out of bounds write leading to privilege escalation.
What is CVE-2020-0346?
An integer overflow vulnerability in Android Mediaserver could potentially allow an attacker to locally escalate privileges.
The Impact of CVE-2020-0346
- Successful exploitation could enable local privilege escalation on the affected Android devices without requiring user interaction.
Technical Details of CVE-2020-0346
A detailed look at the technical aspects of the CVE.
Vulnerability Description
- In Mediaserver, an integer overflow can lead to an out of bounds write, potentially exploited for privilege escalation.
Affected Systems and Versions
- Product: Android
- Version: Android-11
Exploitation Mechanism
- The vulnerability could be exploited by bypassing integer sanitization in Mediaserver, which is enabled by default.
Mitigation and Prevention
Measures to address the CVE-2020-0346 vulnerability.
Immediate Steps to Take
- Ensure devices are updated to the latest Android-11 version.
- Regularly monitor for security bulletins and updates from the vendor.
Long-Term Security Practices
- Implement strict integer sanitization mechanisms in applications to prevent such vulnerabilities.
- Conduct regular security assessments and audits to detect and address potential security gaps.
Patching and Updates
- Apply patches and updates provided by the vendor promptly to mitigate the vulnerability.