There is a buffer overflow vulnerability in the Bluetooth module of some Huawei mobile phones. Due to insufficient input validation, an unauthenticated attacker may craft Bluetooth messages after successful paring, causing buffer overflow. Successful exploit may cause code execution. (Vulnerability ID: HWPSIRT-2019-10115)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-9113.
Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:
Resolved Product and Version
HUAWEI Mate 20
Versions earlier than 10.0.0.188(C00E74R3P8)
Successful exploit may cause code execution.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 8.0 (AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
Temporal Score: 7.4 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
The attacker could connect to the affected products by Bluetooth.
Due to insufficient input validation, an unauthenticated attacker may craft Bluetooth messages after successful paring, causing buffer overflow. Successful exploit may cause 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 360 Alpha Lab. Huawei would like to thank them for working with us and coordinated vulnerability disclosure to protect our customers.
2020-10-14 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.