CVE-2021-39764 : Exploit Details and Defense Strategies

This CVE-2021-39764 article provides details about a security vulnerability in Android-12L that could allow local escalation of privilege via app spoofing.

Understanding CVE-2021-39764

This section delves into the specifics of the CVE-2021-39764 vulnerability.

What is CVE-2021-39764?

CVE-2021-39764 is a vulnerability in Android-12L that allows the display of an incorrect app name in Settings due to improper input validation. It could result in local escalation of privilege through app spoofing without needing additional execution privileges. User interaction is necessary for exploitation.

The Impact of CVE-2021-39764

The vulnerability could potentially lead to an attacker gaining elevated privileges through app spoofing, posing a risk to the confidentiality and integrity of user data.

Technical Details of CVE-2021-39764

This section provides technical insights into the CVE-2021-39764 vulnerability.

Vulnerability Description

The flaw in Android-12L allows for the incorrect display of app names in Settings, enabling attackers to perform app spoofing and escalate privilege locally.

Affected Systems and Versions

Product: Android
Versions Affected: Android-12L

Exploitation Mechanism

Improper input validation in Settings
Local escalation of privilege via app spoofing
User interaction required for exploitation

Mitigation and Prevention

Learn how to address the CVE-2021-39764 vulnerability.

Immediate Steps to Take

Apply security updates provided by Android promptly
Exercise caution when interacting with apps or settings

Long-Term Security Practices

Regularly update Android devices to stay protected from vulnerabilities
Avoid granting unnecessary permissions to apps

Patching and Updates

Regularly check for security bulletins and updates from Android to patch known vulnerabilities.