CVE-2021-0432 : Vulnerability Insights and Analysis

Android's StatsPullerManager.cpp has a vulnerability (CVE-2021-0432) that could allow for local privilege escalation. This CVE affects devices running Android-11.

Understanding CVE-2021-0432

This section delves into the details of the CVE-2021-0432 vulnerability.

What is CVE-2021-0432?

CVE-2021-0432 is a use-after-free vulnerability in ClearPullerCacheIfNecessary and ForceClearPullerCache of StatsPullerManager.cpp on Android-11. It can be exploited for local privilege escalation without additional execution privileges.

The Impact of CVE-2021-0432

The vulnerability poses a risk of local escalation of privilege on affected Android-11 devices without requiring user interaction.

Technical Details of CVE-2021-0432

This section provides technical insights into CVE-2021-0432.

Vulnerability Description

The use-after-free issue in ClearPullerCacheIfNecessary and ForceClearPullerCache of StatsPullerManager.cpp allows attackers to exploit a race condition for local escalation of privilege.

Affected Systems and Versions

Android-11 devices are affected by CVE-2021-0432 due to the identified use-after-free vulnerability in StatsPullerManager.cpp.

Exploitation Mechanism

Attackers can exploit the race condition in ClearPullerCacheIfNecessary and ForceClearPullerCache of StatsPullerManager.cpp to achieve local privilege escalation on Android-11 devices.

Mitigation and Prevention

This section outlines steps to mitigate and prevent exploitation of CVE-2021-0432.

Immediate Steps to Take

Users should apply security patches promptly and follow best practices to secure their Android-11 devices against potential exploits.

Long-Term Security Practices

Regularly update devices, use reputable security software, and exercise caution with app downloads and permissions to enhance long-term security.

Patching and Updates

Ensure timely installation of security updates released by Google to address vulnerabilities like CVE-2021-0432 on Android-11 devices.