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Security Advisory - Brute-force attack of Users' Safe Password in the Files APP in Huawei Mobile Phones

  • SA No:huawei-sa-20170425-01-files
  • Initial Release Date: 2017-04-25
  • Last Release Date: 2017-04-25

The Files APP in some Huawei mobile phones has a brute-force password cracking vulnerability due to the improper design of the Safe key database. An unauthorized attacker could access sensitive database information and may crack users' Safe passwords, leading to information leak. (Vulnerability ID: HWPSIRT-2017-03146)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-2715.

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-20170425-01-files-en

Product Name

Affected Version

Resolved Product and Version

Files[1]

7.1.1.309 and earlier versions

Upgrade to 7.1.1.310[2]

[1]Files is the smartphone APP

[2] For EMUI 3.X and 4.X smartphones

Successful exploitation this vulnerability, an attacker could access sensitive database information and may crack users' Safe passwords, leading to information leak.

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

Base Score: 6.2 (AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

Temporal Score: 5.8 (E:F/RL:O/RC:C)

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

Attacker gets the database of Safe

Vulnerability details:

Due to the improper design of the Safe key database, an unauthorized attacker could access sensitive database information and may crack users' Safe passwords, leading to information leak.

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 reported to Huawei PSIRT by ADLab of Venustech. Huawei would like to thank ADLab of Venustech for working with us and coordinated vulnerability disclosure to protect our customers.

2017-04-25 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.