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Security Advisory - Information Leak Vulnerability in Huawei DSM Product

  • SA No:Huawei-SA-20151118-01-DSM
  • Initial Release Date: 2015-11-18
  • Last Release Date: 2015-11-25

There is a information leak vulnerability in DSM Product. The DSM does not clear the clipboard after data in a secure file opened using the DSM is copied and the secure file is closed. Data in the clipboard can be copied in common documents that do not use the DSM, leading to information leaks. (Vulnerability ID: HWPSIRT-2015-09009)

This vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2015-8303.

Huawei has released software updates to fix these vulnerabilities. This advisory is available at the following link:
http://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-462410.htm

Product Name

Affected Version

Resolved Product and Version

DSM

V100R002C03SPC005

Upgrade to V100R002C05SPC661

Attackers may obtain confidential information by exploiting this vulnerability.

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

Base Score: 1.7 (AV:L/AC:L/Au:S/C:P/I:N/A:N)

Temporal Score: 1.4 (E:F/RL:O/RC:C)

Prerequisite:

1 Attackers can log on to the PC that applies the DSM.

Attacking procedure:

The DSM does not clear the clipboard after data in a secure file opened using the DSM is copied and the secure file is closed. Data in the clipboard can be copied in common documents that do not use the DSM, leading to information leaks.

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 was found by Huawei internal tester. Huawei PSIRT is not aware of 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.


2015-11-25 V1.1 UPDATED Added CVE ID information in the 'Summary' section.

2015-11-18 V1.0 INITIAL

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/.