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Security Advisory - DoS Vulnerability in Some Huawei Smart Phones

  • SA No:huawei-sa-20171220-02-smartphone
  • Initial Release Date: Dec 20, 2017
  • Last Release Date: Dec 20, 2017

Some Huawei smart phones have a DoS vulnerability due to insufficient input validation. An unauthenticated attacker could send malformed System Information(SI) messages to the smart phone within radio range by special wireless device. Successful exploit could make the smart phone restart. (Vulnerability ID: HWPSIRT-2017-07148)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-17159.
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-20171220-02-smartphone-en

Product Name

Affected Version

Resolved Product and Version

MT8-EMUI4.1

NXT-AL10C00B386

NXT-AL10C00B592

NXT-CL00C92B386

NXT-CL00C92B592

NXT-DL00C17B386

NXT-DL00C17B592

NXT-TL00C01B386SP01

NXT-TL00C01B592

NTS-AL00

NTS-AL00C00B535

NTS-AL00C00B539

Successful exploit could make the smart phone restart.

The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 6.5 (AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 should be within radio range to vulnerable smart phone.
Vulnerability details:

An unauthenticated attacker could send malformed System Information(SI) messages to the smart phone within radio range by special wireless device. Successful exploit could make the smart phone restart.

Customers should contact Huawei TAC (Huawei Technical Assistance Center) to request the upgrades. For TAC contact information, please refer to Huawei worldwide website at http://www.huawei.com/en/psirt/report-vulnerabilities.

This vulnerability was discovered by Huawei internal tester.
2017-12-20 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.