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Security Advisory - Buffer Overflow Vulnerability in Wi-FI Driver of Huawei Smart Phone

  • SA No:huawei-sa-20161214-02-smartphone
  • Initial Release Date: Dec 14, 2016
  • Last Release Date: Feb 15, 2017

The Wi-Fi driver of some Huawei products has buffer overflow vulnerability due to the lack of a parameters check. An attacker can tricks a user into installing a malicious application on the smart phone, and send given parameter to smart phone to crash the system or escalate privilege. (Vulnerability ID: HWPSIRT-2016-10024)
This vulnerability has been assigned a CVE ID: CVE-2017-0509.
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-20161214-02-smartphone-en

Product Name

Affected Version

Resolved Product and Version

P9

Versions earlier than EVA-AL10C00B352

EVA-AL10C00B352


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

Successful exploitation of the vulnerabilities allows attackers to crash the system or escalate user privilege.
The vulnerability classification has been performed by using the CVSSv3 scoring system (https://www.first.org/cvss/specification-document).
Base Score: 7.8 (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) 
Temporal Score: 7.2 (E:F/RL:O/RC:C)
1. Prerequisite:
The attacker tricks a user into installing a malicious application on the smart phone.
2. Attacking procedure:
An attacker can tricks a user into installing a malicious application on the smart phone, and send given parameter to smart phone to crash the system or escalate privilege.

Smart phones that support automatic update will receive a system update prompt. You can install the update to fix the vulnerability.

This vulnerability was reported to Huawei PSIRT by Gengjia Chen from Icesword Lab of Qihoo 360 Technology Co. Ltd. Huawei would like to thank Gengjia Chen for working with us and coordinated vulnerability disclosure to protect our customers.

2017-02-15 V1.1 FINAL

2016-12-14 V1.0 INITIAL

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.