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.
6.4	$0-$5k	0.00

A vulnerability was found in Huawei P8 Lite, P9 Lite and P9 (Smartphone Operating System) (version unknown). It has been classified as critical. Affected is an unknown function of the component TrustZone Driver. The manipulation with an unknown input leads to a resource control vulnerability. CWE is classifying the issue as CWE-664. The product does not maintain or incorrectly maintains control over a resource throughout its lifetime of creation, use, and release. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The TrustZone driver in Huawei P9 phones with software Versions earlier than EVA-AL10C00B352 and P9 Lite with software VNS-L21C185B130 and earlier versions and P8 Lite with software ALE-L02C636B150 and earlier versions has an improper resource release vulnerability, which allows attackers to cause a system restart or privilege elevation.

The bug was discovered 11/23/2016. The weakness was shared 04/02/2017 (Website). The advisory is shared for download at huawei.com. This vulnerability is traded as CVE-2016-8763 since 10/18/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 130 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

Productinfo

Type

• Smartphone Operating System

Vendor

• Huawei

Name

• P8 Lite
• P9
• P9 Lite

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource control
CWE: CWE-664
CAPEC: 🔍
ATT&CK: 🔍

Local: No
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: 🔍

Timelineinfo

10/18/2016 🔍
11/23/2016 +36 days 🔍
11/24/2016 +1 days 🔍
04/02/2017 +129 days 🔍
04/02/2017 +0 days 🔍
04/03/2017 +1 days 🔍
11/24/2022 +2061 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: sa-20161123-01
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-8763 (🔍)
SecurityFocus: 94509 - Multiple Huawei Products Local Multiple Security Vulnerabilities
OSVDB: - CVE-2016-8763 - Huawei - Multiple Products - Privilege Escalation Issue

Entryinfo

Created: 04/03/2017 09:04
Updated: 11/24/2022 14:27
Changes: 04/03/2017 09:04 (61), 08/25/2020 09:07 (5), 11/24/2022 14:27 (4)
Complete: 🔍
Cache ID: 18:80F:103

Discussion

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