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Security Advisory - Improper User Privileges Vulnerability in VCN500

  • SA No:SA No: Huawei-SA-20151126-02-VCN500
  • Initial Release Date: 2015-11-26
  • Last Release Date: 2015-11-26

The operation and maintenance unit (OMU) of Huawei VCN500 (Video Cloud Node) does not configure user privileges properly. By exploiting this vulnerability, ordinary users can modify the IP address of the media server in system management by sending specially crafted packets to the OMU interface, leading to unavailability of some services. (Vulnerability ID: HWPSIRT-2015-07045)

This vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2015-8333.

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

http://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-463070.htm


Product Name

Affected Version

Resolved Product and Version

VCN500

V100R002C00SPC200B010

V100R002C00SPC200

The attacker can modify the media server IP address, leading to unavailability of some services.

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

Base Score: 4.9 (AV:N/AC:M/Au:S/C:N/I:P/A:P)

Temporal Score: 4.1 (E:F/RL:O/RC:C)

1. Prerequisites:

The attacker logs in to VCN500 as an authorized user.

2. Attacking procedure:

The attacker sends maliciously crafted messages to the OMU interface of VCN500 to modify the IP address of the media server.

None


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/security/psirt/report-vulnerabilities/index.htm.


This vulnerability is reported by Huawei internal tester. Huawei PSIRT is not aware of any public announcements or malicious use of the vulnerability described in this advisory.

For security problems about Huawei products and solutions, please contactPSIRT@huawei.com.

For general problems about Huawei products and solutions, please directly contact Huawei TAC (Huawei Technical Assistance Center) to request the configuration or technical assistance.


2015-11-26 V1.0 INITIAL

None


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.


Complete information for providing feedback on security vulnerability of Huawei products, getting support for Huawei security incident response services, and obtaining Huawei security vulnerability information, is available on Huawei's worldwide website at http://www.huawei.com/en/security/psirt/.