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Security Advisory - DLL Hijacking Vulnerability on Huawei HiSuite

  • SA No:huawei-sa-20160624-01-hisuite
  • Initial Release Date: Jun 24, 2016
  • Last Release Date: Jun 28, 2016

The HiSuite is mobile assistant software on PCs.
This software contains a DLL hijacking vulnerability. This vulnerability exists due to some DLL file is loaded by HiSuite improperly. And it allows an attacker to load this DLL file of the attacker's choosing that could execute arbitrary code. (Vulnerability ID: HWPSIRT-2016-04045)
This vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2016-5821.
Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:

Product Name

Affected Version

Resolved Product and Version

HiSuite

HiSuite4.0.3.301 and earlier versions

HiSuite 4.0.4.204_ove (Out of China)

HiSuite4.0.4.301 (China)

Successful exploit could allow the attacker to load a malicious DLL file and obtain the local system privilege using a low-privilege user account.

The vulnerability classification has been performed by using the CVSSv2 scoring system (http://www.first.org/cvss/).
Base Score: 6.8 (AV:L/AC:L/Au:S/C:C/I:C/A:C) 
Temporal Score: 5.6 (E:F/RL:O/RC:C)
1. Prerequisite:
An attacker can login the target windows system
2. Attacking procedure:
This vulnerability exists due to some DLL file is loaded by HiSuite improperly. And it allows an attacker to load this DLL file of the attacker's choosing that could execute arbitrary code.

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 reported to Huawei PSIRT by Benjamin Gnahm of Blue Frost Security. Huawei would like to thank Benjamin Gnahm for working with us and coordinated vulnerability disclosure to protect our customers.

2016-06-28 V1.1 UPDATE Add CVE-ID, and update the section of "Impact"
2016-06-24 V1.0 INITIAL

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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.