CVE-2021-39722 : Vulnerability Insights and Analysis

This article provides insights into CVE-2021-39722, a vulnerability in Android's ProtocolStkProactiveCommandAdapter::Init that could lead to local information disclosure.

Understanding CVE-2021-39722

This section delves into the details of the CVE and its impact.

What is CVE-2021-39722?

CVE-2021-39722 is a vulnerability in the ProtocolStkProactiveCommandAdapter::Init of protocolstkadapter.cpp in Android, leading to a potential out-of-bounds read due to an incorrect bounds check. This flaw could result in local information disclosure with the requirement of System execution privileges, without the need for user interaction.

The Impact of CVE-2021-39722

The vulnerability could allow an attacker to disclose sensitive information locally.

Technical Details of CVE-2021-39722

Explore the technical aspects of the CVE.

Vulnerability Description

The vulnerability in Android's ProtocolStkProactiveCommandAdapter::Init allows for an out-of-bounds read, enabling potential information disclosure.

Affected Systems and Versions

Product: Android
Versions Affected: Android kernel

Exploitation Mechanism

The vulnerability can be exploited locally without requiring user interaction.

Mitigation and Prevention

Learn how to address the CVE.

Immediate Steps to Take

Apply security patches provided by Google for Android.
Monitor official Android security bulletins for updates.
Implement security best practices to reduce the risk of exploitation.

Long-Term Security Practices

Regularly update Android devices to the latest firmware.
Employ security solutions to detect and prevent similar vulnerabilities.
Conduct security assessments and audits periodically.

Patching and Updates

Stay informed about security updates and patches released by Google for the Android platform.