CVE-2020-9113 : Security Advisory and Response

HUAWEI Mate 20 versions earlier than 10.0.0.188(C00E74R3P8) have a buffer overflow vulnerability in the Bluetooth module, potentially leading to code execution.

Understanding CVE-2020-9113

What is CVE-2020-9113?

This CVE identifies a buffer overflow vulnerability in HUAWEI Mate 20 devices running versions prior to 10.0.0.188(C00E74R3P8) in the Bluetooth module. Attackers can exploit this flaw to execute arbitrary code.

The Impact of CVE-2020-9113

The vulnerability allows unauthenticated attackers to manipulate Bluetooth messages post-pairing, triggering a buffer overflow. Successful exploitation could result in the execution of malicious code.

Technical Details of CVE-2020-9113

Vulnerability Description

Buffer overflow vulnerability in the Bluetooth module of HUAWEI Mate 20 devices
Insufficient input validation allows attackers to craft malicious Bluetooth messages

Affected Systems and Versions

Product: HUAWEI Mate 20
Versions Affected: Earlier than 10.0.0.188(C00E74R3P8)

Exploitation Mechanism

Unauthenticated attackers can exploit the vulnerability by manipulating Bluetooth messages, causing a buffer overflow

Mitigation and Prevention

Immediate Steps to Take

Update affected devices to version 10.0.0.188(C00E74R3P8) or later
Disable Bluetooth when not in use to reduce the attack surface

Long-Term Security Practices

Regularly update devices with the latest security patches
Implement network segmentation to isolate Bluetooth-enabled devices

Patching and Updates

Apply security patches provided by HUAWEI to address the vulnerability