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Security Advisory - Information Disclosure Vulnerability on Huawei Smartphones

  • SA No:huawei-sa-20171213-05-smartphone
  • Initial Release Date: Dec 13, 2017
  • Last Release Date: Dec 13, 2017

There is an information disclosure vulnerability on Huawei smartphones. An attacker tricks the user to install a crafted application, this application simulate click action to back up data in a non-encrypted way using an Android assist function. Successful exploit could result in information disclosure. (Vulnerability ID: HWPSIRT-2017-09005)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-15340.

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-20171213-05-smartphone-en

Product Name

Affected Version

Resolved Product and Version

TAG-AL00

TAG-AL00C92B168

TAG-AL00C92B170

Successful exploit could result in information disclosure.

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:

An attacker tricks the user to install a crafted application

Vulnerability details:

An attacker tricks the user to install a crafted application, this application simulate click action to back up data in a non-encrypted way using an Android assist function. Successful exploit could result in information disclosure.

Customers should contact Huawei TAC (Huawei Technical Assistance Center) to request the upgrades. For TAC contact information, please refer to Huawei worldwide website at http://www.huawei.com/en/psirt/report-vulnerabilities.

This vulnerability was disclosed by Soujiaowu from misec. Huawei would like to thank him for working with us and coordinated vulnerability disclosure to protect our customers.

2017-12-13 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.