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

  • SA No:huawei-sa-20161123-02-smartphone
  • Initial Release Date: Nov 23, 2016
  • Last Release Date: Nov 23, 2016

The HIFI driver of some Huawei products has buffer overflow vulnerability due to the lack of a parameters check. An attacker can get ROOT privilege and send given parameter to driver to crash the system or execute arbitrary code. (Vulnerability ID: HWPSIRT-2016-05220)

This vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2016-8774.

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-20161123-02-smartphone-en

Product Name

Affected Version

Resolved Product and Version

Mate 8

Versions before NXT-AL10C00B386

NXT-AL10C00B386[1]

Versions before NXT-CL00C92B386

NXT-CL00C92B386[1]

Versions before NXT-DL00C17B386

NXT-DL00C17B386[1]

Versions before NXT-TL00C01B386

NXT-TL00C01B386[1]

Mate S

Versions before CRR-CL00C92B368

CRR-CL00C92B368[1]

Versions before CRR-CL20C92B368

CRR-CL20C92B368[1]

Versions before CRR-TL00C01B368

CRR-TL00C01B368[1]

Versions before CRR-UL00C00B368

CRR-UL00C00B368[1]

Versions before CRR-UL20C00B368

CRR-UL20C00B368[1]

P8

Versions before GRA-TL00C01B366

GRA-TL00C01B366[1]

Versions before GRA-CL00C92B366

GRA-CL00C92B366[1]

Versions before GRA-CL10C92B366

GRA-CL10C92B366[1]

Versions before GRA-UL00C00B366

GRA-UL00C00B366[1]

Versions before GRA-UL10C00B366

GRA-UL10C00B366[1]

P9

Versions before EVA-AL10C00B190

EVA-AL10C00B190[1]

Versions before EVA-DL10C00B190

EVA-DL10C00B190[1]

Versions before EVA-TL10C00B190

EVA-TL10C00B190[1]

Versions before EVA-CL10C00B190

EVA-CL10C00B190[1]

[1] Mobile phones will receive a system update prompt. The vulnerabilities will be fixed after users install the update.

Successful exploitation of the vulnerabilities allows attackers to crash the system or execute arbitrary code.

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

Base Score: 6.7 (AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)

Temporal Score: 6.2 (E:F/RL:O/RC:C)

1. Prerequisite:

The attacker gets the ROOT privilege on the smart phone.

2. Attacking procedure:

The HIFI driver of some Huawei products has buffer overflow vulnerability due to the lack of a parameters check. An attacker can exploit this vulnerability to send given parameter to driver to crash the system or execute arbitrary code.

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/psirt/report-vulnerabilities.

This vulnerability was reported to Huawei PSIRT by Zhao Jianqiang from Lab 0x031E of Qihoo 360 Technology Co. Ltd. Huawei would like to thank Zhao Jianqiang for working with us and coordinated vulnerability disclosure to protect our customers.

2016-11-23 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.

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