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Security Advisory - Multiple Vulnerabilities in MTK Platform

  • SA No:huawei-sa-20170919-01-mtk
  • Initial Release Date: Sep 19, 2017
  • Last Release Date: Sep 19, 2017

There are two buffer overflow vulnerabilities and one arbitrary memory write vulnerability in the camera driver of MTK platform in some Huawei smart phones. Due to the insufficient input verification, an attacker tricks a user into installing a malicious application which has special privilege and sends a specific parameter to the driver of the smart phone, causing privilege escalation. (Vulnerability ID: HWPSIRT-2017-04170,HWPSIRT-2017-04171 and HWPSIRT-2017-04172)

The three vulnerabilities have been assigned three Common Vulnerabilities and Exposures (CVE) IDs: CVE-2017-8179, CVE-2017-8180 and CVE-2017-8181.

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-20170919-01-mtk-en

Product Name

Affected Version

Resolved Product and Version

Nice-AL00

Versions earlier than Nice-AL00C00B155

Nice-AL00C00B155

Successful exploitation of the vulnerabilities allows attackers to escalate privilege.

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

HWPSIRT-2017-04170,HWPSIRT-2017-04171 and HWPSIRT-2017-04172:

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)

HWPSIRT-2017-04170,HWPSIRT-2017-04171 and HWPSIRT-2017-04172:

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

An attacker tricks a user into installing a malicious application which has special privilege.

Vulnerability details:

The malicious application sends a specific parameter to the driver of the smart phone, causing privilege escalation.

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 Wenlin Yang, Guang Gong, Hao Chen of Alpha Team in Qihoo 360 Technology Co. Ltd. Huawei would like to thank Wenlin Yang, Guang Gong and Hao Chen for working with us and coordinated vulnerability disclosure to protect our customers.

2017-09-19 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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