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Security Advisory - Buffer Overflow Vulnerability in Driver of Huawei Smart Phone

  • SA No:huawei-sa-20170426-02-smartphone
  • Initial Release Date: Apr 26, 2017
  • Last Release Date: Apr 26, 2017

The camerafs driver of some Huawei products has buffer overflow vulnerability due to the lack of input validation. An attacker tricks a user into installing a malicious application which has the system privilege of the Android system and sends a specific parameter to the driver of the smart phone, causing a system crash or privilege escalation. (Vulnerability ID: HWPSIRT-2017-03002)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-2716.

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-20170426-02-smartphone-en

Product Name

Affected Version

Resolved Product and Version

Mate 9

Versions earlier than MHA-AL00BC00B173

MHA-AL00BC00B173

Successful exploitation of the vulnerabilities allows attackers to crash the system or escalate privilege.

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

Base Score: 6.5 (AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H)

Temporal Score: 6.0 (E:F/RL:O/RC:C)

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

An attacker tricks a user into installing a malicious application which has the system privilege of the Android system.

Vulnerability details:

The attacker tricks a user into installing a malicious application which has the system privilege of the Android system and sends a specific parameter to the driver of the smart phone, causing a system crash or privilege escalation.

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.

2017-04-26 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.