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

  • SA No:huawei-sa-20161123-03-smartphone
  • Initial Release Date: Nov 23, 2016
  • Last Release Date: Nov 23, 2016

Touch Panel (TP) driver of some Huawei products have one buffer overflow vulnerability due to the lack of a parameters check. An attacker can get ROOT privilege and to send given parameter to TP driver to crash the system or execute arbitrary code. (Vulnerability ID: HWPSIRT-2016-05224)

This vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2016-8775.

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-20161123-03-smartphone-en

Product Name

Affected Version

Resolved Product and Version

NEM

Versions before NEM-AL10C00B130

NEM-AL10C00B130[1]

Versions before NEM-UL10C17B160

NEM-UL10C17B160[1]

Versions before NEM-UL10C00B160

NEM-UL10C00B160[1]

Versions before NEM-TL00C01B160

NEM-TL00C01B160[1]

Versions before NEM-TL00HC00B160

NEM-TL00HC00B160[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 CVSSv3scoring 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:

TP driver of some Huawei products have a buffer overflow vulnerability due to the lack of a parameters check. An attacker can exploit this vulnerability to send given parameter to TP 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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