CVE-2020-0406 Explained : Impact and Mitigation

Android libmpeg2dec vulnerability with potential privilege escalation.

Understanding CVE-2020-0406

A vulnerability in libmpeg2dec in Android-11 could allow local privilege escalation.

What is CVE-2020-0406?

In libmpeg2dec of Android-11, there is an out-of-bounds write vulnerability due to a missing bounds check, potentially leading to local privilege escalation.

The Impact of CVE-2020-0406

This vulnerability could be exploited by an attacker to escalate privileges locally on the affected system.

Technical Details of CVE-2020-0406

Vulnerability Description

The flaw in libmpeg2dec in Android-11 allows an out-of-bounds write, which, if exploited, could lead to privilege escalation.

Affected Systems and Versions

Product: Android
Versions: Android-11

Exploitation Mechanism

Requires another exploit to trigger with different parameters
No additional execution privileges needed
User interaction is necessary for exploitation

Mitigation and Prevention

Immediate Steps to Take

Apply the available patch from the vendor
Monitor vendor security bulletins for updates

Long-Term Security Practices

Regularly update and patch software and systems
Implement principle of least privilege

Patching and Updates

Keep the system up to date with security patches and follow vendor recommendations.