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Security Advisory - Improper Resource Management Vulnerability on Huawei Smartphones

  • SA No:huawei-sa-20171220-03-smartphone
  • Initial Release Date: Dec 20, 2017
  • Last Release Date: Dec 20, 2017

There is an improper resource management vulnerability on Huawei smartphones. The software does not properly manage the resource when do device register operation. An attacker tricks the user who has root privilege to install a crafted application, successful exploit could cause certain service unavailable. (Vulnerability ID: HWPSIRT-2017-08144)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-17327.

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-20171220-03-smartphone-en

Product Name

Affected Version

Resolved Product and Version

MHA-AL00A

MHA-AL00AC00B125

Upgrade to MHA-AL00BC00B231

Successful exploit could cause certain service unavailable.

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

Base Score: 2.0 (AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:L)

Temporal Score: 1.9 (E:F/RL:O/RC:C)

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

An attacker tricks the user who has root privilege to install a crafted application.

Vulnerability details:

The software does not properly manage the resource when do device register operation. An attacker tricks the user who has root privilege to install a crafted application, successful exploit could cause certain service unavailable.

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 reported to Huawei PSIRT by He Yao of Baidu X-Lab. Huawei would like to thank He Yao for working with us and coordinated vulnerability disclosure to protect our customers.

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.