CVE-2019-1990 : What You Need to Know

Android devices are affected by a critical vulnerability that could allow remote code execution without additional privileges. Learn more about the impact, affected systems, and mitigation steps.

Understanding CVE-2019-1990

This CVE identifies a potential out-of-bounds write issue in Android versions 7.0 to 9, posing a risk of remote code execution.

What is CVE-2019-1990?

The vulnerability lies in the function ihevcd_fmt_conv_420sp_to_420p of the file ihevcd_fmt_conv.c, enabling attackers to execute remote code with user interaction.

The Impact of CVE-2019-1990

Attackers could exploit this flaw to execute remote code without needing additional privileges.
Android versions 7.0 to 9 are affected by this vulnerability.

Technical Details of CVE-2019-1990

Vulnerability Description

The issue stems from a missing bounds check in the ihevcd_fmt_conv_420sp_to_420p function, leading to a potential out-of-bounds write.

Affected Systems and Versions

Product: Android
Versions: Android-7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9

Exploitation Mechanism

Exploiting this vulnerability requires user interaction but can result in remote code execution.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by Android for the affected versions.
Avoid interacting with suspicious or untrusted sources to minimize the risk of exploitation.

Long-Term Security Practices

Regularly update your Android device to ensure the latest security fixes are in place.
Implement security best practices to protect against potential vulnerabilities.

Patching and Updates

Stay informed about security bulletins and updates from Android to address known vulnerabilities.