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Security Advisory - Information Leak Vulnerability in Some Huawei Smart Phones

  • SA No:huawei-sa-20170405-02-smartphone
  • Initial Release Date: Apr 05, 2017
  • Last Release Date: Apr 05, 2017

Some Huawei smartphones have an information leak vulnerability due to improper file permission configuration. An attacker tricks a user into installing a malicious application on the smart phone, and the application can get the file that keep the cipher text of the SIM card PIN. (Vulnerability ID: HWPSIRT-2017-03003)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-2733.
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-20170405-02-smartphone-en

Product Name

Affected Version

Resolved Product and Version

Honor 6X

Versions earlier than BLN-AL10C00B357

BLN-AL10C00B357

Versions earlier than BLN-AL20C00B357

BLN-AL20C00B357


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

Successful exploit could allow an attacker to get the file that keep the cipher text of the SIM card PIN.

The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 5.5 (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
Temporal Score: 5.1 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
The attacker tricks a user into installing a malicious application on the smart phone.
Vulnerability details:
An attacker tricks a user into installing a malicious application on the smart phone, and the application can get the file that keep the cipher text of the SIM card PIN.

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.

2017-04-05 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.