CVE-2020-0027 : Vulnerability Insights and Analysis

Android OS vulnerability allows local privilege escalation without additional privileges.

Understanding CVE-2020-0027

This CVE identifies a flaw in HidRawSensor.cpp in Android OS versions 8.0 to 10, enabling an attacker to elevate privileges.

What is CVE-2020-0027?

In the HidRawSensor::batch function, an out-of-bounds write occurs due to a switch fallthrough, potentially leading to local privilege escalation without requiring extra execution privileges or user interaction.

The Impact of CVE-2020-0027

The vulnerability could allow an attacker to gain elevated privileges on the affected Android devices, posing a risk of unauthorized actions and data access.

Technical Details of CVE-2020-0027

Android OS vulnerability details and affected systems.

Vulnerability Description

Located in HidRawSensor::batch in HidRawSensor.cpp
Causes an out-of-bounds write due to unexpected switch fallthrough
Local privilege escalation exploit

Affected Systems and Versions

Product: Android
Versions: 8.0, 8.1, 9, 10

Exploitation Mechanism

No additional execution privileges required
User interaction not essential for exploitation

Mitigation and Prevention

Methods to address and prevent the CVE-2020-0027 vulnerability.

Immediate Steps to Take

Apply security patches from the vendor
Update affected Android devices to the latest OS version

Long-Term Security Practices

Regularly monitor security bulletins and updates
Implement security awareness and training programs

Patching and Updates

Check for security advisories from the Android security bulletin
Keep devices up to date with the latest patches and fixes