CVE-2021-40058 : Security Advisory and Response

This article provides an overview of a heap-based buffer overflow vulnerability in Huawei's EMUI and Magic UI, impacting the availability of affected systems.

Understanding CVE-2021-40058

This section delves into the details of the vulnerability and its impact on systems.

What is CVE-2021-40058?

CVE-2021-40058 is a heap-based buffer overflow vulnerability found in the video framework of Huawei's EMUI and Magic UI.

The Impact of CVE-2021-40058

The successful exploitation of this vulnerability can severely impact system availability.

Technical Details of CVE-2021-40058

This section covers the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability is a heap-based buffer overflow issue within the video framework.

Affected Systems and Versions

Affected Product: Huawei EMUI
Versions: 10.1.1, 10.1.0
Affected Product: Huawei Magic UI
Versions: 3.1.1, 3.1.0

Exploitation Mechanism

The vulnerability can be exploited through the video framework, leading to a heap-based buffer overflow.

Mitigation and Prevention

Learn how to mitigate and prevent exploitation of this vulnerability.

Immediate Steps to Take

Update affected systems to the latest patched versions.
Implement network controls to restrict access and prevent malicious exploitation.

Long-Term Security Practices

Regularly monitor and apply security updates to all software components.
Conduct security audits and testing to identify and remediate vulnerabilities.

Patching and Updates

Ensure timely application of security patches and updates to address the identified vulnerability.