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Security Advisory - Integer Overflow Vulnerability in Huawei Smartphone

  • SA No:huawei-sa-20200819-03-smartphone
  • Initial Release Date: Aug 19, 2020
  • Last Release Date: Aug 19, 2020

There is an integer overflow vulnerability in Huawei smartphone. Some functions are lack of verification when they process some messages sent from other module. Attackers can exploit this vulnerability by send malicious message to cause integer overflow. This can compromise normal service. (Vulnerability ID: HWPSIRT-2020-03125 and HWPSIRT-2020-03131)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-9095.

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-20200819-03-smartphone-en

Product Name

Affected Version

Resolved Product and Version

HUAWEI P30 Pro

Versions earlier than 10.1.0.160(C00E160R2P8)

10.1.0.160(C00E160R2P8)


Attackers can exploit this vulnerability by send malicious message to cause integer overflow. This can compromise normal service.

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

Base Score: 5.5 (AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H) 

Temporal Score: 5.1 (E:F/RL:O/RC:C)

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

Attackers have local access to the affected device.

Vulnerability details:

Some functions are lack of verification when they process some messages sent from other module. Attackers can exploit this vulnerability by send malicious message to cause integer overflow. This can compromise normal service.

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 Tencent Keen Security Lab. Huawei would like to thank Tencent Keen Security Lab with us and coordinated vulnerability disclosure to protect our customers.


2020-08-19 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.

This document is provided on an "AS IS" basis and does not imply any kind of guarantee or warranty, either express or implied, including the warranties of merchantability or fitness for a particular purpose. In no event shall Huawei or any of its directly or indirectly controlled subsidiaries or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages. Your use of the document, by whatsoever means, will be totally at your own risk. Huawei is entitled to amend or update this document from time to time.