CVE-2019-2046 Explained : Impact and Mitigation

Android versions 7.0 to 9 are affected by a memory corruption vulnerability that could lead to remote code execution without user interaction.

Understanding CVE-2019-2046

This CVE involves an integer overflow issue in the CalculateInstanceSizeForDerivedClass function in objects.cc, potentially allowing remote code execution.

What is CVE-2019-2046?

The vulnerability in Android versions 7.0 to 9 could be exploited to execute code remotely without requiring user interaction or additional privileges.

The Impact of CVE-2019-2046

The vulnerability poses a risk of remote code execution in the proxy auto-config component of affected Android versions.

Technical Details of CVE-2019-2046

This section provides detailed technical information about the CVE.

Vulnerability Description

The issue stems from an integer overflow in the CalculateInstanceSizeForDerivedClass function in objects.cc, leading to memory corruption and potential remote code execution.

Affected Systems and Versions

Product: Android
Versions: 7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9

Exploitation Mechanism

The vulnerability allows for remote code execution without user interaction.

Mitigation and Prevention

Protect your systems from CVE-2019-2046 with these steps:

Immediate Steps to Take

Apply security patches promptly.
Monitor vendor security bulletins for updates.
Implement network security measures to detect and block exploit attempts.

Long-Term Security Practices

Regularly update and patch all software and systems.
Conduct security assessments and penetration testing.
Educate users on safe browsing habits and potential threats.

Patching and Updates

Stay informed about security updates from Android.
Apply patches as soon as they are released to mitigate the risk of exploitation.