OnePlus 3/3T open up an ADB session without authorization (CVE-2017-5622)

Last month we published CVE-2017-5626 patched in OxygenOS 4.0.2, a vulnerability which allowed attackers to effectively unlock a OnePlus 3/3T device without a factory reset. Combining this with our also discovered CVE-2017-5624 patched in OxygenOS 4.0.3 enabled a powerful attack against locked...

CVE-2017-5622

CVE-2017-5622 (OnePlus 3/3T, OxygenOS prior to 4.0.3) describes a vulnerability where a charger connected to a powered‑off device enables adbd, allowing an attacker to open an ADB session without user authorization. The linked sources explain that OnePlus customized adbd to bypass ADB authorizati...

CVE-2017-5623

An issue was discovered in OxygenOS before 4.1.0 on OnePlus 3 and 3T devices. The attacker can change the bootmode of the device by issuing the 'fastboot oem bootmode rf/wlan/ftm/normal command' in contradiction to the threat model of Android where the bootloader MUST NOT allow any...

CVE-2017-5624

An issue was discovered in OxygenOS before 4.0.3 for OnePlus 3 and 3T. The attacker can persistently make the locked bootloader start the platform with dm-verity disabled, by issuing the 'fastboot oem disabledmverity' command. Having dm-verity disabled, the kernel will not verify the system...

CVE-2017-5626

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...

Privilege escalation

An issue was discovered in OxygenOS before 4.0.3 for OnePlus 3 and 3T. The attacker can persistently make the locked bootloader start the platform with dm-verity disabled, by issuing the 'fastboot oem disabledmverity' command. Having dm-verity disabled, the kernel will not verify the system...

CVE-2017-5624

An issue was discovered in OxygenOS before 4.0.3 for OnePlus 3 and 3T. The attacker can persistently make the locked bootloader start the platform with dm-verity disabled, by issuing the 'fastboot oem disabledmverity' command. Having dm-verity disabled, the kernel will not verify the system...

CVE-2017-5626

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...

OnePlus 3/3T Bypassing the Bootloader’s Lock (CVE-2017-5626)

Bypassing the Bootloader’s Lock CVE-2017-5626 OnePlus 3 & 3T running OxygenOS 3.2 - 4.0.1 had two proprietary fastboot oem commands: 1. fastboot oem 4F500301 – bypasses the bootloader’s lock – allowing one with fastboot access to effectively unlock the device, disregarding OEM Unlocking, without...

CVE-2017-5554

The CVE covers OnePlus 3/3T devices running OxygenOS before 4.0.2. A physical attacker can boot into fastboot without authentication by pressing Volume Up during boot and using adb reboot bootloader. Once in fastboot, the attacker can issue fastboot oem selinux permissive to set SELinux to Permis...