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Security Advisory - Privilege Escalation Vulnerability in Huawei Smart Phones

  • SA No:huawei-sa-20170209-01-smartphone
  • Initial Release Date: Feb 09, 2017
  • Last Release Date: Feb 09, 2017

There is a privilege escalation vulnerability in Huawei smart phones. An unauthenticated attacker can bypass phone activation to user management page of the phone and create a new user. Successful exploit could allow the attacker operate part function of the phone. (Vulnerability ID: HWPSIRT-2016-11098)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-2727.
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-20170209-01-smartphone-en

Product Name

Affected Version

Resolved Product and Version

Huawei P9

Versions earlier before EVA-AL00C00B365

EVA-AL00C00B365

Versions earlier before EVA-AL10C00B365

EVA-AL10C00B365

Versions earlier before EVA-CL00C92B365

EVA-CL00C92B365

Versions earlier before EVA-DL00C17B365

EVA-DL00C17B365

Versions earlier before EVA-TL00C01B365

EVA-TL00C01B365


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

Successful exploit could allow the attacker operate part function of the phone.

The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 2.4 (AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Temporal Score: 2.3 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present: 
An attacker got phone because user lost it or the phone was stolen.  
Vulnerability details: 
An unauthenticated attacker can bypass phone activation to user management page of the phone and create a new user. Successful exploit could allow the attacker operate part function of the phone.

The product that supports automatic update will receive a system update prompt. You can install the update to fix the vulnerability.

This vulnerability was discovered by Huawei internal tester.

2017-02-09 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.