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Security Advisory - Unquoted Service Path Vulnerability in Huawei UTPS Software

  • SA No:huawei-sa-20161116-01-utps
  • Initial Release Date: Nov 16, 2016
  • Last Release Date: Nov 16, 2016

Huawei Unified Terminal PC suite (UTPS), also known as Mobile Partner, runs on the PC side to manage data cards. It provides data card setting, dial-up setting, message sending and receiving, and contacts management functions.

Huawei UTPS has an unquoted service path vulnerability which can lead to the truncation of UTPS service query paths. An attacker may put an executable file in the search path of the affected service and obtain elevated privileges after the executable file is executed. (Vulnerability ID: HWPSIRT-2016-09012)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2016-8769.

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-20161116-01-utps-en

Product Name

Affected Version

Resolved Product and Version

UTPS

Versions earlier than UTPS-V200R003B015D16SPC00C983

UTPS-V200R003B015D16SPC00C983

The attacker could run an executable file to obtain elevated privileges on the system.

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

Base Score: 6.4 (AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H)

Temporal Score: 5.9 (E:F/RL:O/RC:C)

1. Prerequisite:

The attacker has local access to the affected query path and has the write permission on it.

2. Attacking procedure:

The local attacker puts an executable file in the search path of the affected service. After the executable file is executed, the attacker could gain elevated privilege.

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 Dhruv Shah. Huawei would like to thank Dhruv Shah for working with us and coordinated vulnerability disclosure to protect our customers.

2016-11-16 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.

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