CVE-2019-5308 : Security Advisory and Response

Mate 20 RS smartphones with versions earlier than 9.1.0.135(C786E133R3P1) are vulnerable to improper authorization, potentially allowing unauthorized actions in ADB mode.

Understanding CVE-2019-5308

This CVE identifies a security vulnerability in Huawei Mate 20 RS smartphones that could be exploited by attackers to perform unauthorized actions.

What is CVE-2019-5308?

The vulnerability in Mate 20 RS smartphones, versions prior to 9.1.0.135(C786E133R3P1), allows attackers to bypass proper authorization controls in ADB mode, potentially leading to unauthorized access.

The Impact of CVE-2019-5308

If successfully exploited, an attacker could navigate to a third desktop by executing a specific sequence of actions, compromising the device's security and potentially accessing sensitive information.

Technical Details of CVE-2019-5308

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in Mate 20 RS smartphones arises from improper authorization controls in ADB mode, enabling unauthorized actions that could compromise the device's security.

Affected Systems and Versions

Product: Mate 20 RS
Vendor: Huawei
Vulnerable Versions: Versions earlier than 9.1.0.135(C786E133R3P1)

Exploitation Mechanism

Attackers can exploit this vulnerability by executing a specific sequence of actions in ADB mode, allowing them to bypass authorization controls and potentially access unauthorized areas on the device.

Mitigation and Prevention

Protecting against CVE-2019-5308 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the affected Mate 20 RS smartphones to version 9.1.0.135(C786E133R3P1) or later to mitigate the vulnerability.
Avoid connecting the device to untrusted or unknown USB ports to minimize the risk of unauthorized access.

Long-Term Security Practices

Regularly update the device's software and firmware to patch known vulnerabilities and enhance security measures.
Implement strong access controls and authentication mechanisms to prevent unauthorized access to sensitive device functions.

Patching and Updates

Ensure timely installation of security patches and updates provided by Huawei to address known vulnerabilities and enhance the security of Mate 20 RS smartphones.