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Security Advisory - Integer overflow Vulnerability in Bdat Driver of Huawei Smart Phone

  • SA No:huawei-sa-20180321-01-smartphone
  • Initial Release Date: Mar 21, 2018
  • Last Release Date: Mar 21, 2018

The Bdat driver of some Huawei smart phones has integer overflow vulnerability due to the lack of parameter validation. An attacker tricks a user into installing a malicious APP and execute it as a specific privilege; the APP can send a specific parameter to the driver of the smart phone, causing arbitrary code execution.(Vulnerability ID: HWPSIRT-2017-09017)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-15325.
Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:

Product Name

Affected Version

Resolved Product and Version


Versions earlier than Prague-AL00AC00B211



Versions earlier than Prague-AL00BC00B211



Versions earlier than Prague-AL00CC00B211



Versions earlier than Prague-TL00AC01B211



Versions earlier than Prague-TL10AC01B211


An attacker could exploit this vulnerability to cause arbitrary code execution.

The vulnerability classification has been performed by using the CVSSv3 scoring system (
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: An attacker tricks a user into installing a malicious application. Vulnerability details: The attacker execute the malicious application as a specific privilege and the APP can send a specific parameter to the driver of the smart phone, causing arbitrary code execution.

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 Wenlin Yang, Guang Gong, Hao Chen of Alpha Team in Qihoo 360 Technology Co. Ltd and reported by He Yao, Bao Chenfu, Wei Tao of Baidu X-Lab. Huawei would like to thank Wenlin Yang, Guang Gong, Hao Chen, He Yao, Bao Chenfu, and Wei Tao for working with us and coordinated vulnerability disclosure to protect our customers.

2018-03-21 V1.0 INITIAL

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