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Security Advisory - Multiple Security Vulnerabilities in Driver of Huawei Smart Phones

  • SA No:huawei-sa-20161012-01-smartphone
  • Initial Release Date:2016-10-12
  • Last Release Date:2017-03-22

There are two stack overflow vulnerabilities in video driver. An attacker may trick a user into installing a malicious application and the application can send given parameter to video driver to crash the system or escalate user privilege. (Vulnerability ID: HWPSIRT-2016-08056 and HWPSIRT-2016-08058)
These vulnerabilities have been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2016-8759 and CVE-2016-8761.
There is a heap overflow vulnerability in touthscreen driver. An attacker may trick a user into installing a malicious application and the application can send given parameter to touthscreen driver to crash the system or escalate user privilege. (Vulnerability ID: HWPSIRT-2016-08057)
This vulnerability has been assigned CVE ID: CVE-2016-8760.
Huawei has released software updates to fix this vulnerability. This advisory is available at the following link: 
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20161012-01-smartphone-en

Product Name

Affected Version

Resolved Product and Version
P9 Versions before EVA-AL10C00B192 EVA-AL10C00B192
Honor 6
 Versions before H60-L02_6.10.1
 H60-L02_6.10.1
P9 Plus Versions before VIE-AL10BC00B356
 VIE-AL10BC00B356
An attacker can crash the system or escalate user privilege.
The vulnerability classification has been performed by using the CVSSv2 scoring system (http://www.first.org/cvss/).
Base Score: 6.2 (AV:L/AC:H/Au:N/C:C/I:C/A:C) 
Temporal Score: 5.1 (E:F/RL:O/RC:C)
1. Prerequisite:
The attacker successfully tricks a user into installing a malicious application on the smart phone.
2. Attacking procedure:
An attacker may trick a user into installing a malicious application, and the application can send given parameter to the driver to crash the system or escalate user privilege.
None


Mobile phones will receive a system update prompt. The vulnerabilities will be fixed after users install the update.

These vulnerabilities were reported to Huawei PSIRT by Zhao Jianqiang from Lab 0x031E of Qihoo 360 Technology Co. Ltd. The vulnerability HWPSIRT-2016-08057 was also reported by ADLab of Venustech, Zhu Bin from VPP Security Team, Pan Yu from 360 Vulpecker Team and Wenlin Yang, Guang Gong(@Oldfresher), Hao Chen from 360 Alpha Team. Huawei would like to thank these researchers and teams for working with us and coordinated vulnerability disclosure to protect our customers.
2017-03-22 V1.3 UPDATED Updated the information of affected products and fixed version
2016-12-12 V1.2 UPDATED Updated the information of affected products and fixed version
2016-10-20 V1.1 UPDATED Add the CVE-ID
2016-10-12 V1.0 INITIAL

None

Huawei adheres to protecting the ultimate interests of users with best efforts and the principle of responsible disclosure and deal with product security issues through our response mechanism.

To enjoy Huawei PSIRT services and obtain Huawei product vulnerability information, please visit http://www.huawei.com/en/psirt.

To report a security vulnerability in Huawei products and solutions, please send it to PSIRT@huawei.com. For details, please visit http://www.huawei.com/en/psirt/report-vulnerabilities.

This document is provided on an "AS IS" basis and does not imply any kind of guarantee or warranty, either express or implied, including the warranties of merchantability or fitness for a particular purpose. In no event shall Huawei or any of its directly or indirectly controlled subsidiaries or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages. Your use of the document, by whatsoever means, will be totally at your own risk. Huawei is entitled to amend or update this document from time to time.