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Security Advisory - Bypass Vulnerability in the 'Find Phone' Function of Some Huawei Smart Phones

  • SA No:huawei-sa-20171213-01-smartphone
  • Initial Release Date: 2017.12.13
  • Last Release Date: 2017.12.13

There is an authentication bypass vulnerability in the 'Find Phone' function of some Huawei smart phone. Due to improper authentication realization in the 'Find Phone' function. An attacker may exploit the vulnerability to bypass the 'Find Phone' function in order to use the phone normally. (Vulnerability ID: HWPSIRT-2017-10067)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-17161.

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-20171213-01-smartphone-en

Product Name

Affected Version

Resolved Product and Version

Duke-L09

Earlier than Duke-L09C10B186 versions

Duke-L09C10B186

Earlier than Duke-L09C432B187 versions

Duke-L09C432B187

Earlier than Duke-L09C636B186 versions

Duke-L09C636B186

An attacker may exploit the vulnerability to bypass the 'Find Phone' function in order to use the phone normally.


The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).

Base Score: 4.6 (AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Temporal Score: 4.3 (E:F/RL:O/RC:C)

This vulnerability can be exploited only when the following conditions are present:

1. An attacker got phone because user lost it or it was stolen.

Vulnerability details:

Due to improper authentication realization in the 'Find Phone' function. An attacker may exploit the vulnerability to bypass the 'Find Phone' function in order to use the phone normally.

None


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.

2017-12-13 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.