VDB-97849 · CVE-2017-5624 · GCVE-0-2017-5624

OxygenOS up to 4.0.2 on OnePlus 3/OnePlus 3T Bootloader Persistent access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.7	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in OxygenOS up to 4.0.2 on OnePlus 3/OnePlus 3T and classified as problematic. This issue affects some unknown processing of the component Bootloader. This manipulation causes access control (Persistent). The identification of this vulnerability is CVE-2017-5624. The attack can only be executed locally. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in OxygenOS up to 4.0.2 on OnePlus 3/OnePlus 3T. Affected by this vulnerability is an unknown part of the component Bootloader. The manipulation with an unknown input leads to a access control vulnerability (Persistent). The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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 disable_dm_verity' command. Having dm-verity disabled, the kernel will not verify the system partition (and any other dm-verity protected partition), which may allow for persistent code execution and privilege escalation.

The bug was discovered 02/08/2017. The weakness was shared 03/12/2017 (Website). The advisory is shared at securityresear.ch. This vulnerability is known as CVE-2017-5624 since 01/29/2017. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 32 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 4.0.3 eliminates this vulnerability.

The entry VDB-97850 is related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

OxygenOS

Version

CPE 2.3info

CPE 2.2info

Video

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.1
VulDB Meta Temp Score: 8.9

VulDB Base Score: 8.4
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Persistent
Class: Access control / Persistent
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OxygenOS 4.0.3

Timelineinfo

01/29/2017 🔍
02/08/2017 +10 days 🔍
03/12/2017 +32 days 🔍
03/12/2017 +0 days 🔍
03/12/2017 +0 days 🔍
09/06/2020 +1274 days 🔍

Sourcesinfo

Advisory: securityresear.ch
Status: Not defined

CVE: CVE-2017-5624 (🔍)
GCVE (CVE): GCVE-0-2017-5624
GCVE (VulDB): GCVE-100-97849
OSVDB: - CVE-2017-5624 - Oneplus - Oxygenos - High

See also: 🔍

Entryinfo

Created: 03/12/2017 08:32
Updated: 09/06/2020 08:07
Changes: 03/12/2017 08:32 (61), 09/06/2020 08:07 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.