CVE-2017-5623 : Security Advisory and Response

A problem was found in OxygenOS version 4.0.0 and earlier on OnePlus 3 and 3T smartphones where an attacker can modify the bootmode of the device by executing a specific command, violating Android security guidelines.

Understanding CVE-2017-5623

This CVE highlights a vulnerability in OxygenOS versions prior to 4.1.0 on OnePlus 3 and 3T devices.

What is CVE-2017-5623?

The vulnerability allows an attacker to change the device's bootmode using a specific 'fastboot' command, contrary to Android's security principles.

The Impact of CVE-2017-5623

The issue enables unauthorized modification of the device's bootmode, potentially leading to security breaches and unauthorized access.

Technical Details of CVE-2017-5623

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The attacker can manipulate the bootmode of OnePlus 3 and 3T devices by executing the 'fastboot oem boot_mode {rf/wlan/ftm/normal}' command, bypassing Android's security guidelines.

Affected Systems and Versions

OxygenOS versions 4.0.0 and earlier on OnePlus 3 and 3T smartphones

Exploitation Mechanism

Attacker executes 'fastboot oem boot_mode {rf/wlan/ftm/normal}' command to change the bootmode

Mitigation and Prevention

Protecting systems from CVE-2017-5623 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update affected devices to OxygenOS version 4.1.0 or later
Avoid executing unknown or suspicious 'fastboot' commands

Long-Term Security Practices

Regularly update device firmware to patch known vulnerabilities
Implement secure boot mechanisms to prevent unauthorized bootmode changes
Educate users on safe practices to avoid security risks

Patching and Updates

Apply official patches and updates provided by OnePlus to address the vulnerability