CVE-2021-0952 : Vulnerability Insights and Analysis

A possible permission bypass vulnerability in Android can lead to local information disclosure of user contacts without the need for additional execution privileges, requiring user interaction for exploitation.

Understanding CVE-2021-0952

This CVE ID belongs to a vulnerability in Android that could result in information disclosure.

What is CVE-2021-0952?

The vulnerability exists in doCropPhoto of PhotoSelectionHandler.java in Android and could allow a confused deputy to bypass permissions, potentially leading to the disclosure of user contact information.

The Impact of CVE-2021-0952

This vulnerability could result in local information disclosure of user contacts without requiring additional execution privileges, posing a risk to user privacy and security.

Technical Details of CVE-2021-0952

This section provides technical details about the vulnerability.

Vulnerability Description

The vulnerability in doCropPhoto of PhotoSelectionHandler.java can be exploited by a confused deputy to bypass permissions and disclose user contact information.

Affected Systems and Versions

The affected products include Android versions 9, 10, 11, and 12.

Exploitation Mechanism

Exploiting this vulnerability requires user interaction, making it crucial to be cautious while interacting with certain functionalities.

Mitigation and Prevention

Protecting against CVE-2021-0952 involves taking immediate steps and implementing long-term security practices.

Immediate Steps to Take

Users should be cautious when granting permissions or interacting with the affected functionality to prevent potential information disclosure.

Long-Term Security Practices

Implementing strict permission controls and regularly updating the Android system can help mitigate the risk of such vulnerabilities.

Patching and Updates

It is essential to install security patches and updates provided by Android to address and fix the vulnerability effectively.