CVE-2021-40002 : Vulnerability Insights and Analysis

This CVE-2021-40002 article provides insights into a vulnerability in HarmonyOS affecting version 2.0, with an out-of-bounds write vulnerability in the Bluetooth module that could lead to remote command execution.

Understanding CVE-2021-40002

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

What is CVE-2021-40002?

The vulnerability involves an out-of-bounds write issue in the Bluetooth module of HarmonyOS version 2.0, which if successfully exploited, may allow malicious command execution remotely.

The Impact of CVE-2021-40002

The exploitation of this vulnerability could result in remote attackers executing malicious commands on affected systems.

Technical Details of CVE-2021-40002

Explore the technical aspects and mitigation strategies for CVE-2021-40002.

Vulnerability Description

The vulnerability is categorized as a Heap-based Buffer Overflow, allowing unauthorized remote command execution.

Affected Systems and Versions

Product: HarmonyOS
Vendor: Huawei
Affected Version: 2.0

Exploitation Mechanism

The vulnerability is exploited through the Bluetooth module, enabling out-of-bounds write attacks leading to remote command execution.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2021-40002.

Immediate Steps to Take

Update HarmonyOS to a patched version.
Implement network segmentation to prevent remote access.
Monitor and restrict Bluetooth connections.

Long-Term Security Practices

Conduct regular security audits and penetration testing.
Educate users on safe Bluetooth usage practices.
Stay informed about security updates and patches.
Implement intrusion detection systems.

Patching and Updates

Apply security patches and updates provided by Huawei for HarmonyOS version 2.0 to address the out-of-bounds write vulnerability.