Back That App Up: Gaining Root on the Lenovo Vibe

In May of 2016, Mandiant’s Red Team discovered a series of vulnerabilities present on Lenovo’s Vibe P1 Android-based mobile device that allow local privilege escalation to the user “root”. Mandiant disclosed these vulnerabilities to Lenovo in May of 2016. Lenovo advised Mandiant that it should wo...

Back That App Up: Gaining Root on the Lenovo Vibe

In May of 2016, Mandiant’s Red Team discovered a series of vulnerabilities present on Lenovo’s Vibe P1 Android-based mobile device that allow local privilege escalation to the user “root”. Mandiant disclosed these vulnerabilities to Lenovo in May of 2016. Lenovo advised Mandiant that it should wo...

initroot: Bypassing Nexus 6 Secure Boot through Kernel Command-line Injection

In the May 2017 Android Security Bulletin, Google released a patch to a critical and unique vulnerability CVE-2016-10277 in the Nexus 6 bootloader we had found and responsibly disclosed. By exploiting the vulnerability, a physical adversary or one with authorized-ADB/fastboot USB access to the...

OnePlus OTA One/X Crossover Vulnerability(CVE-2017-8851)

Products OnePlus X OnePlus One Vulnerable Version All OnePlus OxygenOS & HydrogenOS OTAs Technical Details Due to lenient updater-script on the OnePlus One & X’s OTA images see below, the fact both products use the same OTA verification keys, and the fact both products share the same...

OnePlus 3/3T OxygenOS SELinux Security Bypass(CVE-2017-5554)

Products OnePlus 3T OnePlus 3 Vulnerable Version OxygenOS prior to 4.0.2 Technical Details The attacker can reboot a OnePlus 3/3T device into the fastboot mode, which could be done without any authentication. A physical attacker can press the “Volume Up” button during device boot, where an attack...

CVE-2017-8850

An issue was discovered on OnePlus One, X, 2, 3, and 3T devices. Due to a lenient updater-script in the OnePlus OTA images, and the fact that both ROMs use the same OTA verification keys, attackers can install HydrogenOS over OxygenOS and vice versa, even on locked bootloaders, which allows for...

CVE-2017-5948

An issue was discovered on OnePlus One, X, 2, 3, and 3T devices. OxygenOS and HydrogenOS are vulnerable to downgrade attacks. This is due to a lenient 'updater-script' in OTAs that does not check that the current version is lower than or equal to the given image's. Downgrades can occur even on...

Design/Logic Flaw

An issue was discovered on OnePlus One, X, 2, 3, and 3T devices. OxygenOS and HydrogenOS are vulnerable to downgrade attacks. This is due to a lenient 'updater-script' in OTAs that does not check that the current version is lower than or equal to the given image's. Downgrades can occur even on...

Code injection

An issue was discovered on OnePlus One, X, 2, 3, and 3T devices. Due to a lenient updater-script in the OnePlus OTA images, and the fact that both ROMs use the same OTA verification keys, attackers can install HydrogenOS over OxygenOS and vice versa, even on locked bootloaders, which allows for...

Spoofing

An issue was discovered on OnePlus One and X devices. Due to a lenient updater-script on the OnePlus One and X OTA images, the fact that both products use the same OTA verification keys, and the fact that both products share the same 'ro.build.product' system property, attackers can install OTAs ...

CVE-2017-8851

An issue was discovered on OnePlus One and X devices. Due to a lenient updater-script on the OnePlus One and X OTA images, the fact that both products use the same OTA verification keys, and the fact that both products share the same 'ro.build.product' system property, attackers can install OTAs ...

CVE-2017-5948

An issue was discovered on OnePlus One, X, 2, 3, and 3T devices. OxygenOS and HydrogenOS are vulnerable to downgrade attacks. This is due to a lenient 'updater-script' in OTAs that does not check that the current version is lower than or equal to the given image's. Downgrades can occur even on...

CVE-2017-5948

CVE-2017-5948 is a downgrade-attack vulnerability in OnePlus OxygenOS and HydrogenOS OTA updates. The root cause is a lenient updater-script in OTAs for OnePlus One, X, 2, 3, and 3T that does not enforce that the current version is

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

With OxygenOS before 4.0.3, when a charger is connected to a powered-off OnePlus 3 or 3T device, the platform starts with adbd enabled. Therefore, a malicious charger or a physical attacker can open up, without authorization, an ADB session with the device, in order to further exploit other...

CVE-2017-5622

With OxygenOS before 4.0.3, when a charger is connected to a powered-off OnePlus 3 or 3T device, the platform starts with adbd enabled. Therefore, a malicious charger or a physical attacker can open up, without authorization, an ADB session with the device, in order to further exploit other...

Authorization

With OxygenOS before 4.0.3, when a charger is connected to a powered-off OnePlus 3 or 3T device, the platform starts with adbd enabled. Therefore, a malicious charger or a physical attacker can open up, without authorization, an ADB session with the device, in order to further exploit other...

CVE-2017-5622

With OxygenOS before 4.0.3, when a charger is connected to a powered-off OnePlus 3 or 3T device, the platform starts with adbd enabled. Therefore, a malicious charger or a physical attacker can open up, without authorization, an ADB session with the device, in order to further exploit other...

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...

OnePlus 3/3T OxygenOS Unauthorized Boot Mode Changing (CVE-2017-5623)

Summary A physical attacker or one with authorized-ADB access, e.g. PC malware can change the ‘boot mode’ of a locked OnePlus 3/3T device, by rebooting into fastboot and issuing the fastboot oem bootmode rf/wlan/ftm/normal command. The vulnerability may allow the attacker to elevate his privilege...