CVE-2017-5626 Information

Description

OxygenOS before version 4.0.2 on OnePlus 3 and 3T has two hidden fastboot oem commands (4F500301 and 4F500302) that allow the attacker to lock/unlock the bootloader disregarding the ‘OEM Unlocking’ checkbox without user confirmation and without a factory reset. This allows for persistent code execution with high privileges (kernel/root) with complete access to user data.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://securityresear.ch/2017/02/08/oneplus3-bootloader-vulns/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8