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

  • SA No:huawei-sa-20180418-02-smartphone
  • Initial Release Date: 2018.04.18
  • Last Release Date: 2018.04.18

The inputhub driver of some Huawei mobile phones has a buffer overflow vulnerability due to the lack of parameter validation. An attacker tricks a user into installing a malicious APP and the APP may sends specific data to the inputhub driver to exploit this vulnerablity, successful exploit could cause the system reboot. (Vulnerability ID: HWPSIRT-2017-10003)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-17313.

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-20180418-02-smartphone-en


Product Name

Affected Version

Resolved Product and Version

HUAWEI P9 Lite

Versions earlier than VNS-L21C02B341

VNS-L21C02B341

Versions earlier than VNS-L21C22B380

VNS-L21C22B380

Versions earlier than VNS-L31C02B341

VNS-L31C02B341

Versions earlier than VNS-L31C440B390

VNS-L31C440B390

Versions earlier than VNS-L31C636B396

VNS-L31C636B396

The attacker could exploit this vulnerability to cause the system reboot.

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:N/I:N/A:H) 

Temporal Score: 5.1 (E:F/RL:O/RC:C)

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

The attacker has successfully tricked a user into installing a malicious APP. 

Vulnerability details:  

An attacker tricks a user into installing a malicious APP and the APP may sends specific data to the inputhub driver to exploit this vulnerablity, successful exploit could cause the system reboot.

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 Aravind Machiry. Huawei would like to thank Aravind Machiry for working with us and coordinated vulnerability disclosure to protect our customers.


2018-04-18 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.