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Security Advisory - Privilege Escalation Vulnerability in Huawei Mate7

  • SA No:Huawei-SA-20150211-01-smartphone
  • Initial Release Date:2015-02-11
  • Last Release Date:2015-02-11

Android versions earlier than 5.0 are affected by the vulnerability, which allows an attacker to escalate privilege. Huawei Mate7 is affected by the vulnerability (Vulnerability ID: HWPSIRT-2015-01043).

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2014-7911

Prouct name

Affected Versions

Solved version

MT7-TL10(Mate 7)

V100R001CHNC00B122SP06

V100R001CHNC00B123SP03

Attackers can obtain the local user account and password.

The vulnerability classification has been performed by using the CVSSv2 scoring system (http://www.first.org/cvss/).

Base Score: 7.2 (AV:L/AC:L/Au:N/C:C/I:C/A:C)

Temporal Score: 5.9 (E:F/RL:OF/RC:C)

1. Prerequisite:

The mobile phone is connected to the computer through a cable;

2. Attacking procedure:

Before Android 5.0, java.io.ObjectInputStream does not check whether objects to be deserialized can be serialized. Attackers can exploit this vulnerability to execute arbitrary code in the system_server process through a malicious object and escalate his or her privilege.

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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/security/psirt/report-vulnerabilities/index.htm.


This vulnerability was first disclosed by KEEN TEAM.

For security problems about Huawei products and solutions, please contactPSIRT@huawei.com.

For general problems about Huawei products and solutions, please directly contact Huawei TAC (Huawei Technical Assistance Center) to request the configuration or technical assistance.


2015-02-11 V1.0 INITIAL

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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.


Complete information for providing feedback on security vulnerability of Huawei products, getting support for Huawei security incident response services, and obtaining Huawei security vulnerability information, is available on Huawei's worldwide website at http://www.huawei.com/en/security/psirt/.