CVE-2020-1798 : Security Advisory and Response

HUAWEI P30 smartphones with versions earlier than 10.1.0.135(C00E135R2P11) have an improper authentication vulnerability that could allow unauthorized actions beyond the guest user's privilege.

Understanding CVE-2020-1798

This CVE pertains to an improper authentication issue affecting HUAWEI P30 devices.

What is CVE-2020-1798?

The vulnerability in HUAWEI P30 smartphones allows an attacker to exploit a logic error when handling NFC work. By establishing an NFC connection, the attacker can perform unauthorized actions on the target device.

The Impact of CVE-2020-1798

Successful exploitation of this vulnerability could enable a guest user to execute operations beyond their authorized privileges.

Technical Details of CVE-2020-1798

HUAWEI P30 devices with versions prior to 10.1.0.135(C00E135R2P11) are susceptible to this security issue.

Vulnerability Description

The vulnerability arises from an improper authentication mechanism that mishandles NFC connections.

Affected Systems and Versions

Product: HUAWEI P30
Vendor: HUAWEI
Versions Affected: Earlier than 10.1.0.135(C00E135R2P11)

Exploitation Mechanism

An attacker establishes an NFC connection to the target phone.
The attacker then performs a series of operations, bypassing guest user privileges.

Mitigation and Prevention

Steps to address and prevent the CVE-2020-1798 vulnerability:

Immediate Steps to Take

Update affected devices to version 10.1.0.135(C00E135R2P11) or later.
Be cautious of NFC connections from untrusted sources.

Long-Term Security Practices

Regularly check for security advisories and updates from HUAWEI.
Implement strong authentication measures for device access.

Patching and Updates

Apply security patches promptly to mitigate known vulnerabilities in the system.