Huawei P8 Lite/P9 Lite/P9 TrustZone Driver Memory input validation

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.

A vulnerability was found in Huawei P8 Lite, P9 Lite and P9 (Smartphone Operating System) (affected version unknown). It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component TrustZone Driver. The manipulation with an unknown input leads to a input validation vulnerability (Memory). The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality.

The bug was discovered 11/23/2016. The weakness was published 04/02/2017 (Website). The advisory is shared at This vulnerability is known as CVE-2016-8764 since 10/18/2016. An attack has to be approached locally. The successful exploitation needs a single authentication. Neither technical details nor an exploit are 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 $0-$5k.

Upgrading eliminates this vulnerability.

Similar entries are available at 99203 and 99204.





CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 4.1
VulDB Meta Temp Score: 4.1

VulDB Base Score: 1.9
VulDB Temp Score: 1.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.4
NVD Vector: 🔍



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

NVD Base Score: 🔍


Name: Memory
Class: Input validation / Memory
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍


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 🔍



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

CVE: CVE-2016-8764 (🔍)
SecurityFocus: 94509 - Multiple Huawei Products Local Multiple Security Vulnerabilities
OSVDB: - CVE-2016-8764 - Huawei - Multiple Products - Security Bypass Issue

See also: 🔍


Created: 04/03/2017 09:04 AM
Updated: 11/24/2022 02:32 PM
Changes: 04/03/2017 09:04 AM (62), 08/25/2020 09:09 AM (5), 11/24/2022 02:32 PM (4)
Complete: 🔍


No comments yet. Languages: en.

Please log in to comment.

Do you want to use VulDB in your project?

Use the official API to access entries easily!