CVE-2021-39665 : What You Need to Know

This CVE-2021-39665 article provides details about a vulnerability affecting Android-12 that could lead to remote information disclosure.

Understanding CVE-2021-39665

This section delves into the specifics of the CVE-2021-39665 vulnerability affecting Android-12.

What is CVE-2021-39665?

CVE-2021-39665 is a vulnerability in Android-12's AAVCAssembler.cpp, potentially leading to remote information disclosure without requiring additional execution privileges.

The Impact of CVE-2021-39665

The vulnerability could allow for remote information disclosure without the need for extra execution privileges, contingent upon user interaction.

Technical Details of CVE-2021-39665

Explore the technical aspects of the CVE-2021-39665 vulnerability and its implications.

Vulnerability Description

The issue arises from a possible out-of-bounds read in checkSpsUpdated of AAVCAssembler.cpp, resulting from a heap buffer overflow.

Affected Systems and Versions

Product: Android
Versions Affected: Android-12

Exploitation Mechanism

The exploitation requires user interaction and could result in remote information disclosure.

Mitigation and Prevention

Discover the steps to mitigate and prevent exploitation of CVE-2021-39665.

Immediate Steps to Take

Ensure users exercise caution when interacting with untrusted sources or content.
Consider installing security updates promptly.

Long-Term Security Practices

Regularly update the system and software to the latest versions.
Implement application whitelisting and robust security protocols.

Patching and Updates

Stay informed about security patches released by Android to address vulnerabilities like CVE-2021-39665.