CVE-2017-5554 : Exploit Details and Defense Strategies
Learn about CVE-2017-5554 affecting OnePlus 3 and 3T OxygenOS prior to 4.0.2. Understand the fastboot mode vulnerability allowing unauthorized access and SELinux compromise. Find mitigation steps and security practices.
A vulnerability was identified in ABOOT in OnePlus 3 and 3T OxygenOS prior to version 4.0.2, allowing unauthorized access to fastboot mode and compromising device security.
Understanding CVE-2017-5554
What is CVE-2017-5554?
This CVE describes a vulnerability in OnePlus 3 and 3T OxygenOS that enables an attacker to force the device into fastboot mode without authentication, leading to potential security compromises.
The Impact of CVE-2017-5554
The vulnerability allows an unauthorized person to change the platform's SELinux to permissive mode, significantly weakening the device's security posture.
Technical Details of CVE-2017-5554
Vulnerability Description
The flaw in ABOOT allows an attacker to manipulate the device into fastboot mode, granting access to execute commands that compromise SELinux security.
Affected Systems and Versions
- Product: OnePlus 3 and 3T OxygenOS
- Versions Affected: Prior to 4.0.2
Exploitation Mechanism
- Attacker physically presses the "Volume Up" button during boot
- Attacker with ADB access executes adb reboot bootloader command
- Attacker changes SELinux to permissive mode using fastboot command
Mitigation and Prevention
Immediate Steps to Take
- Update the device to version 4.0.2 or later
- Avoid leaving the device unattended during boot
Long-Term Security Practices
- Implement strong physical security measures
- Regularly monitor and restrict ADB access
Patching and Updates
- Apply security patches promptly to address known vulnerabilities