CVE-2021-40047 : Vulnerability Insights and Analysis

A vulnerability affecting Huawei's EMUI, Magic UI, and HarmonyOS with the potential to impact integrity due to memory mismanagement in the Bastet module.

Understanding CVE-2021-40047

This section provides details on the vulnerability and its impact.

What is CVE-2021-40047?

The vulnerability involves memory not being released after effective lifetime in the Bastet module, posing a risk to the integrity of the system if successfully exploited.

The Impact of CVE-2021-40047

Successful exploitation of this vulnerability may lead to integrity issues within the affected systems.

Technical Details of CVE-2021-40047

Explore the technical aspects of the CVE.

Vulnerability Description

The vulnerability arises from the failure to release memory after its effective lifetime in the Bastet module, leaving systems exposed.

Affected Systems and Versions

The following Huawei products and versions are impacted:

EMUI: 12.0.0, 11.0.1, 11.0.0, 10.1.1, 10.1.0, 10.0.0
Magic UI: 4.0.0, 3.1.1, 3.1.0, 3.0.0
HarmonyOS: 2.0

Exploitation Mechanism

The vulnerability can be exploited by attackers to manipulate the memory usage in the affected systems, compromising the integrity.

Mitigation and Prevention

Learn how to mitigate and prevent the exploitation of CVE-2021-40047.

Immediate Steps to Take

Apply security updates and patches provided by Huawei promptly.
Monitor official Huawei security bulletins for mitigation instructions.

Long-Term Security Practices

Implement secure coding practices to prevent memory-related vulnerabilities.
Regularly update and maintain systems to address security vulnerabilities.

Patching and Updates

Ensure timely installation of patches and updates released by Huawei to address the vulnerability and enhance system security.