CVE-2019-2223 : Security Advisory and Response

Android ihevcd_ref_list.c Vulnerability

Understanding CVE-2019-2223

What is CVE-2019-2223?

CVE-2019-2223 is a vulnerability found in the ihevcd_ref_list.c file within Android, specifically affecting versions Android-8.0, Android-8.1, Android-9, and Android-10. This vulnerability could lead to remote code execution without requiring additional execution privileges.

The Impact of CVE-2019-2223

Exploiting this vulnerability could allow an attacker to execute remote code on the affected system. It is crucial to note that successful exploitation requires user interaction.

Technical Details of CVE-2019-2223

Vulnerability Description

The issue lies in the ihevcd_ref_list function within the ihevcd_ref_list.c file, where an out-of-bounds write can occur if a bounds check is not performed.

Affected Systems and Versions

Product: Android
Versions: Android-8.0, Android-8.1, Android-9, Android-10

Exploitation Mechanism

The vulnerability can be exploited to achieve remote code execution without the need for additional execution privileges. Successful exploitation requires user interaction.

Mitigation and Prevention

Immediate Steps to Take

Apply the latest security patches provided by Android.
Avoid interacting with untrusted sources or links.
Regularly update the Android operating system.

Long-Term Security Practices

Implement strict security policies on user interactions.
Conduct regular security training for users to recognize and avoid potential threats.

Patching and Updates

It is essential to promptly apply security patches released by Android to mitigate the risk of exploitation.