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Security Advisory - Two Command Injection Vulnerabilities in Huawei UMA

  • SA No:huawei-sa-20160824-01-uma
  • Initial Release Date: Aug 24, 2016
  • Last Release Date: Aug 30, 2016

The Unified Maintenance Audit (UMA) system provides a unified portal for O&M operations, controls and records users' O&M operations, and supports auditing by way of command display and video replay.

The UMA has two command injection vulnerabilities due to the lack of validation on special fields. An attacker can insert special characters to modify the fields to launch a command injection attack. Successful exploit could allow the attacker to obtain sensitive information of the device and modify device data, causing the unavailability of the device. (Vulnerability ID: HWPSIRT-2016-07047) and (Vulnerability ID: HWPSIRT-2016-07048)

This vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2016-7109 and CVE-2016-7110.

Huawei has released software updates to fix these vulnerabilities. This advisory is available at the following link:

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160824-01-uma-en

Product Name

Affected Version

Resolved Product and Version

UMA

Earlier than V200R001C00SPC200 versions

V200R001C00SPC200

An attacker can exploit the two vulnerabilities to obtain sensitive information of the device and modify device data, causing the unavailability of the device.

The vulnerability classification has been performed by using the CVSSv2 scoring system (http://www.first.org/cvss/).

HWPSIRT-2016-07047:

Base Score: 10.0 (AV:N/AC:L/Au:N/C:C/I:C/A:C)

Temporal Score: 8.3 (E:F/RL:O/RC:C)

HWPSIRT-2016-07048:

Base Score: 10.0 (AV:N/AC:L/Au:N/C:C/I:C/A:C)

Temporal Score: 8.3 (E:F/RL:O/RC:C)

1. Prerequisite:
The attacker has connected to device.

2. Attacking procedure:
These two command injection vulnerabilities due to the lack of validation on special fields. An attacker can insert special characters to modify the fields to launch a command injection attack. Successful exploit could allow the attacker to obtain sensitive information of the device and modify device data, causing the unavailability of the device.

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.

These vulnerabilities were disclosed by the Third Research Institute of Ministry of Public Security on the Cyber Force Fornum (CFF) Hacker Show sub-forum and reported to Huawei PSIRT.  Huawei would like to thank the Third Research Institute of Ministry for working with us and coordinated vulnerability disclosure to protect our customers.

2016-08-30 V1.1 UPDATE Add the CVE ID
2016-08-24 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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