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

  • SA No:huawei-sa-20170118-04-smartphone
  • Initial Release Date: Jan 18, 2017
  • Last Release Date: Feb 08, 2017

The ddr_devfreq driver of some Huawei products has buffer overflow vulnerability due to the lack of a parameters check. An attacker with the root privilege of the Android system can tricks a user into installing a malicious application on the smart phone, and send given parameter to smart phone to crash the system or escalate privilege. (Vulnerability ID: HWPSIRT-2016-12019) 

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-2698. 

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-20170118-04-smartphone-en

Product Name

Affected Version

Resolved Product and Version

P8

Versions earlier than GRA-UL00C00B197

GRA-UL00C00B197

Successful exploitation of the vulnerabilities allows attackers to crash the system or escalate user privilege.

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:

The attacker has the root privilege of the Android system and tricks a user into installing a malicious application on the smart phone.

Vulnerability details:

The attacker with the root privilege of the Android system could tricks a user into installing a malicious application on the smart phone, and send given parameter to smart phone to crash the system or escalate privilege.

Mobile phones that support automatic update will receive a system update prompt. You can install the update to fix the vulnerabilities.

This vulnerability was reported to Huawei PSIRT by ADLab of Venustech. Huawei would like to thank ADLab of Venustech for working with us and coordinated vulnerability disclosure to protect our customers.

2017-02-08 V1.1 UPDATED Updated the affected product list and fixed version

2017-01-18 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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