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Security Advisory - App Lock Bypass Vulnerability in Huawei Mobile Phones

  • SA No:huawei-sa-20170829-01-applock
  • Initial Release Date: 2017-08-29
  • Last Release Date: 2017-08-29

App Lock is a function provided by the Phone Manager app to prevent unauthorized use of apps on mobile phones. Some Huawei mobile phones have an App Lock bypass vulnerability. An attacker could perform specific operations to bypass the App Lock to use apps on a target mobile phone temporarily. (Vulnerability ID: HWPSIRT-2017-03159)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-8206.

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-20170829-01-applock-en

Product Name

Affected Version

Resolved Product and Version

HONOR 7 Lite

Versions earlier than NEM-L21C432B352

NEM-L21C432B352

Successful exploit could allow the attacker to bypass the App Lock function to use apps on the target mobile phone temporarily.

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:

The attacker gets the smartphone device.

Vulnerability details:

An attacker could perform specific operations to bypass the App Lock to use apps on a target mobile phone temporarily.

The product that supports 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 Adam Holecarpenter @ flowtex.hu. Huawei would like to thank Adam Holecarpenter @ flowtex.hu for working with us and coordinated vulnerability disclosure to protect our customers.

2017-08-29 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.