CVE-2021-39765 : What You Need to Know

This article provides insights into the CVE-2021-39765 vulnerability affecting Android-12L.

Understanding CVE-2021-39765

This section delves into the details of the CVE-2021-39765 vulnerability.

What is CVE-2021-39765?

CVE-2021-39765 is a vulnerability in the Gallery app on Android devices that could result in a permission bypass, potentially leading to local information disclosure. User execution privileges are required for exploitation, and user interaction is not necessary.

The Impact of CVE-2021-39765

The vulnerability could allow an attacker to bypass permissions and disclose local information without the user's interaction, posing a risk to data confidentiality on devices running Android-12L.

Technical Details of CVE-2021-39765

This section covers the technical aspects of the CVE-2021-39765 vulnerability.

Vulnerability Description

The issue arises from a confused deputy scenario in the Gallery app, enabling unauthorized access to sensitive local information.

Affected Systems and Versions

Product: Android
Version: Android-12L

Exploitation Mechanism

The vulnerability can be exploited by leveraging the confused deputy situation in the Gallery app to disclose local information without requiring user interaction.

Mitigation and Prevention

Learn how to safeguard your device against CVE-2021-39765.

Immediate Steps to Take

Update the Android operating system to the latest version provided by the vendor.
Be cautious while granting permissions to apps, especially in sensitive areas like the Gallery.

Long-Term Security Practices

Regularly monitor security bulletins and update your device promptly.
Use security software to detect and prevent potential information disclosure vulnerabilities.

Patching and Updates

Stay informed about security patches released by Android for addressing vulnerabilities such as CVE-2021-39765.