CVE-2021-39696 Explained : Impact and Mitigation

This CVE-2021-39696 article provides detailed information about a possible escalation of privilege vulnerability in Android versions 10, 11, and 12.

Understanding CVE-2021-39696

CVE-2021-39696 is a vulnerability in Task.java that could allow for the escalation of privilege without requiring additional execution privileges.

What is CVE-2021-39696?

Product: Android
Versions Affected: Android-10, Android-11, Android-12
Type: Elevation of privilege
Android ID: A-185810717

The Impact of CVE-2021-39696

Allows a confused deputy scenario leading to local escalation of privilege
Requires user interaction for exploitation

Technical Details of CVE-2021-39696

This section provides in-depth technical details about the vulnerability.

Vulnerability Description

The vulnerability arises in Task.java, presenting a confused deputy situation that can result in local privilege escalation.

Affected Systems and Versions

The following systems and versions are affected:

Product: Android
Versions: Android-10, Android-11, Android-12
Vendor: n/a

Exploitation Mechanism

The escalation of privilege occurs due to a confused deputy scenario where the attacker manipulates the system through user interaction.

Mitigation and Prevention

Learn about the steps to mitigate and prevent exploitation of CVE-2021-39696.

Immediate Steps to Take

Apply security patches provided by the vendor
Educate users about potential phishing attacks

Long-Term Security Practices

Regularly update the operating system to the latest version
Implement strict access control policies

Patching and Updates

Keep the system updated with the latest security patches
Monitor for any unauthorized activities and permissions changes