CVE-2021-40014 : Exploit Details and Defense Strategies

The bone voice ID trusted application (TA) in Huawei HarmonyOS and EMUI has a heap overflow vulnerability affecting data confidentiality.

Understanding CVE-2021-40014

This CVE describes a heap overflow vulnerability in the bone voice ID trusted application (TA) that could lead to data confidentiality issues.

What is CVE-2021-40014?

The bone voice ID TA in Huawei's HarmonyOS and EMUI is susceptible to a heap overflow vulnerability, potentially exploited to compromise data confidentiality.

The Impact of CVE-2021-40014

This vulnerability could allow threat actors to compromise the confidentiality of data processed by the affected Huawei products.

Technical Details of CVE-2021-40014

The following technical aspects are essential to understand this CVE.

Vulnerability Description

The bone voice ID TA in HarmonyOS and EMUI is vulnerable to a heap overflow issue.

Affected Systems and Versions

HarmonyOS 2.0.0, 2.0.1, 3.0.0, 3.1.0
EMUI 12.0.0, 12.0.1, 13.0.0

Exploitation Mechanism

The vulnerability can be exploited through a specially crafted input to trigger the heap overflow.

Mitigation and Prevention

Protect your systems with the following measures.

Immediate Steps to Take

Apply patches provided by Huawei promptly.
Monitor security bulletins for updates.

Long-Term Security Practices

Regularly update software and firmware.
Implement proper input validation mechanisms.

Patching and Updates

Ensure timely deployment of security patches released by Huawei for HarmonyOS and EMUI to mitigate the vulnerability.