CVE-2022-20471 Explained : Impact and Mitigation

This article provides detailed information about CVE-2022-20471, including its impact, technical details, and mitigation strategies.

Understanding CVE-2022-20471

CVE-2022-20471 is a vulnerability in Android that could lead to local information disclosure without requiring additional execution privileges.

What is CVE-2022-20471?

The vulnerability, found in SendIncDecRestoreCmdPart2 of NxpMfcReader.cc, lacks a necessary bounds check, potentially resulting in an out-of-bounds read exploit.

The Impact of CVE-2022-20471

This vulnerability poses a risk of local information disclosure within affected Android versions (Android-11, Android-12, Android-12L, Android-13) without the need for user interaction.

Technical Details of CVE-2022-20471

The following section delves into the vulnerability's description, affected systems, and exploitation mechanism.

Vulnerability Description

A missing bounds check in SendIncDecRestoreCmdPart2 of NxpMfcReader.cc could allow threat actors to perform an out-of-bounds read, potentially disclosing sensitive local information.

Affected Systems and Versions

The vulnerability affects Android operating systems versions 11 through 13.

Exploitation Mechanism

Exploitation of this vulnerability could result in local information disclosure without requiring additional user privileges.

Mitigation and Prevention

Learn about the immediate steps to take and long-term security practices to protect systems from CVE-2022-20471.

Immediate Steps to Take

Users are advised to apply patches and updates promptly to mitigate the risk of local information disclosure.

Long-Term Security Practices

Implementing security best practices such as regular security audits and threat monitoring can help enhance overall system resilience.

Patching and Updates

Regularly check for security updates from Android and apply them to ensure vulnerability patches are in place.