CVE-2022-31760 : What You Need to Know

A vulnerability has been identified in Huawei products, specifically affecting HarmonyOS, EMUI, and Magic UI. This article provides detailed insights into CVE-2022-31760.

Understanding CVE-2022-31760

This CVE concerns a flaw where dialog boxes can still appear on a locked screen in carrier-customized USSD services, potentially jeopardizing data integrity and confidentiality.

What is CVE-2022-31760?

CVE-2022-31760 is a vulnerability found in Huawei's HarmonyOS, EMUI, and Magic UI. It allows dialog boxes to be displayed on a locked screen in carrier-customized USSD services.

The Impact of CVE-2022-31760

The successful exploitation of this vulnerability can compromise the integrity and confidentiality of data stored on affected devices.

Technical Details of CVE-2022-31760

This section covers the specific technical aspects of the vulnerability.

Vulnerability Description

The vulnerability allows dialog boxes to be shown even when the screen is locked, posing a risk to data security.

Affected Systems and Versions

HarmonyOS 2.0
EMUI 10.1.0, 10.1.1, 11.0.0, 12.0.0
Magic UI 3.1.0, 3.1.1, 4.0.0

Exploitation Mechanism

The vulnerability can be exploited by manipulating carrier-customized USSD services to display dialog boxes on a locked screen.

Mitigation and Prevention

To address CVE-2022-31760, follow these mitigation strategies.

Immediate Steps to Take

Update the affected products to the latest patched versions provided by Huawei.
Avoid interacting with USSD services from unknown or untrusted sources.

Long-Term Security Practices

Regularly check for security updates and apply them promptly.
Implement strong device locking mechanisms to prevent unauthorized access.

Patching and Updates

Refer to Huawei's security bulletins for specific patch details and update instructions.