CVE-2020-0136 Explained : Impact and Mitigation

Android-10 has a vulnerability in Parcel.cpp that can lead to local privilege escalation without additional user privileges.

Understanding CVE-2020-0136

This CVE relates to an elevation of privilege issue in Android-10.

What is CVE-2020-0136?

Multiple locations in Parcel.cpp can experience an out-of-bounds write due to integer overflow, potentially allowing local privilege escalation in the system server.

The Impact of CVE-2020-0136

The vulnerability could enable an attacker to escalate privileges within the system server without requiring additional execution permissions.

Technical Details of CVE-2020-0136

This section delves into the specific technical aspects of the CVE.

Vulnerability Description

The issue stems from integer overflow in Parcel.cpp, leading to an out-of-bounds write, ultimately facilitating local privilege escalation.

Affected Systems and Versions

Product: Android
Version: Android-10

Exploitation Mechanism

Exploitation of this vulnerability does not necessitate user interaction, making it particularly concerning for system security.

Mitigation and Prevention

Steps to address and prevent the CVE.

Immediate Steps to Take

Apply relevant patches promptly to mitigate the vulnerability.
Monitor system activity for any signs of exploitation.

Long-Term Security Practices

Enhance system monitoring and logging to detect anomalous behavior.
Regularly update and patch systems to address security loopholes.

Patching and Updates

Stay informed about security advisories and updates from the vendor.