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Security Advisory - Multiple Buffer Overflow Vulnerabilities in Driver of Huawei Smart Phone

  • SA No:huawei-sa-20170801-01-smartphone
  • Initial Release Date: 2017.08.01
  • Last Release Date: 2017.08.04

The driver of some Huawei smart phones have six buffer overflow vulnerabilities due to the lack of parameter validation. An attacker tricks a user into installing a malicious APP which has the root privilege of the Android system, the APP can send a specific parameter to the driver of the smart phone, causing a system reboot or arbitrary code execution. (Vulnerability ID: HWPSIRT-2017-05184,HWPSIRT-2017-05185,HWPSIRT-2017-05186,HWPSIRT-2017-05187,HWPSIRT-2017-05188 and HWPSIRT-2017-05189)

The six vulnerabilities have been assigned six Common Vulnerabilities and Exposures (CVE) IDs: CVE-2017-8207, CVE-2017-8208, CVE-2017-8209, CVE-2017-8210, CVE-2017-8211 and CVE-2017-8212.

Huawei has released software updates to fix these vulnerabilities. This advisory is available at the following link:

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170801-01-smartphone-en

Product Name

Affected Version

Resolved Product and Version
honor 5C
 Versions earlier than NEM-AL10C00B356 NEM-AL10C00B356

honor 6x

Versions earlier than Berlin-L21HNC432B360

Berlin-L21HNC432B360

Successful exploitation of the vulnerabilities allows attackers to reboot the system or arbitrary code execution.

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 root privilege of the Android system.

Vulnerability details:

An attacker tricks a user into installing a malicious APP which has the root privilege of the Android system, the APP can send a specific parameter to the driver of the smart phone, causing a system reboot or arbitrary code execution.

None


The product that supports automatic update will receive a system update prompt. You can install the update to fix the vulnerability.

These vulnerabilities were reported to Huawei PSIRT by Yangchengming, Dingbaozeng and Songyang of Alibaba Mobile Security Team. Huawei would like to thank Yangchengming, Dingbaozeng and Songyang for working with us and coordinated vulnerability disclosure to protect our customers.

2017-08-04 V1.1 UPDATED Updated the affected software versions and fixes information
2017-08-01 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.