CVE-2021-46882 : Vulnerability Insights and Analysis

This CVE record involves a memory overwriting vulnerability in the video framework of Huawei products, potentially impacting availability.

Understanding CVE-2021-46882

What is CVE-2021-46882?

The vulnerability in the video framework stems from memory overwriting due to addition overflow. If successfully exploited, it can lead to availability issues.

The Impact of CVE-2021-46882

The exploitation of this vulnerability can have a significant impact on the availability of the affected systems.

Technical Details of CVE-2021-46882

Vulnerability Description

The memory overwriting vulnerability in the video framework can result from addition overflow.

Affected Systems and Versions

Huawei HarmonyOS: Versions 2.1.0, 2.0.1, 2.0.0 are affected.
Huawei EMUI: Versions 12.0.1, 12.0.0, 11.0.0, 10.1.1, 10.1.0 are affected.

Exploitation Mechanism

The vulnerability can be exploited through addition overflow in the video framework, impacting system availability.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by Huawei promptly.
Monitor vendor communications for updates and advisories.

Long-Term Security Practices

Implement secure coding practices to prevent memory overwriting vulnerabilities.
Conduct regular security assessments and penetration testing.

Patching and Updates

Ensure timely implementation of security patches released by Huawei to address the memory overwriting vulnerability.