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Security Advisory - DoS Vulnerability in Some Huawei Smart Phones

  • SA No:huawei-sa-20180905-01-smartphone
  • Initial Release Date: Sep 05, 2018
  • Last Release Date: Sep 05, 2018

There is a denial of service (DoS) vulnerability in some Huawei smart phones. An attacker can trick a user to install a malicious application to exploit this vulnerability. Due to insufficient verification of the parameter, successful exploitation can cause the smartphone black screen until restarting the phone. (Vulnerability ID: HWPSIRT-2018-05123)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2018-7906.

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-20180905-01-smartphone-en



Product Name

Affected Version

Resolved Product and Version

Leland-AL00

8.0.0.114(C636)

Upgrade to 8.0.0.116(C636)

Leland-AL00A

8.0.0.171(C00)

Upgrade to 8.0.0.178(C00)



By exploiting this vulnerability, an attacker can cause the smartphone black screen until restarting the phone.

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:

The attacker has successfully tricked a user into installing the malicious application.

Vulnerability details:

There is a denial of service (DoS) vulnerability in some Huawei smart phones. An unauthenticated, local attacker can trick a user to install a malicious application to exploit this vulnerability. Due to insufficient verification of the parameter, successful exploitation can cause the smartphone black screen until restarting the phone.



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 WangIc of future-sec and security researcher Zhang Qing. Huawei would like to thank WangIc and Zhang Qing for working with us and coordinated vulnerability disclosure to protect our customers.

2018-09-05 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.