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Security Advisory - DoS Vulnerability of Audio Driver in Some Huawei Smartphones

  • SA No:huawei-sa-20170802-01-smartphone
  • Initial Release Date: 2017-08-02
  • Last Release Date: 2017-08-02

Audio driver has a denial of service (DoS) vulnerability in some Huawei smart phones. An attacker tricks a user into installing a malicious application on the smart phone, and the race condition cause null pointer accessing during the application access shared resource, which make the system reboot. (Vulnerability ID: HWPSIRT-2017-05175)
This vulnerability has been assigned a CVE ID: CVE-2017-8148.
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-20170802-01-smartphone-en

Product Name

Affected Version

Resolved Product and Version

P9

The versions before EVA-AL10C00B389

EVA-AL10C00B389


Successful exploitation of the vulnerability allows attackers to reboot the system.

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

Base Score: 5.0 (AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H)
Temporal Score: 4.7 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
The attacker tricks a user into installing a malicious application on the smart phone.
Vulnerability details:
An attacker tricks a user into installing a malicious application on the smart phone, and the race condition cause null pointer accessing during the application access shared resource, which make the system reboot.

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 Yonggang Guo of IceSword Lab, Qihoo 360 Technology Co. Ltd. Huawei would like to thank Yonggang Guo for working with us and coordinated vulnerability disclosure to protect our customers.

2017-08-02 V1.0 INITIAL

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