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Security Advisory - Insufficient Input Verification Vulnerability in the FusionAccess

  • SA No:Huawei-SA-20150909-02-FusionAccess
  • Initial Release Date: Sep 09, 2015
  • Last Release Date: Sep 09, 2015


FusionAccess is a kind of virtual desktop applications based on Huawei cloud platform. Through the deployment of Huawei desktop cloud software on the cloud platform, customers can access the cloud desktop by the thin client device or other devices.

There is an insufficient input verification vulnerability in the product. An attacker could graft and send malformed HDP protocol packet to exploit this vulnerability. This may cause the virtual cloud desktop displaying error and not usable (Vulnerability ID: HWPSIRT-2015-06005). 

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2015-7844.

Product Name

Affected Version

Resolved Product and Version

FusionAccess

V100R005C10

Upgrade to V100R005C30

V100R005C20

Upgrade to V100R005C30


Exploiting this vulnerability may cause the virtual cloud desktop displaying error and not usable.

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

Base Score: 7.8 (AV:N/AC:L/Au:n/C:N/I:N/A:C)

Temporal Score: 6.4 (E:F/RL:O/RC:C)

1. Prerequisite:

The attacker gains access to the FusionAccess network.

2. Attacking procedure:

An attacker could graft and send malformed HDP protocol packet to exploit this vulnerability. This may cause the virtual cloud desktop displaying error and not usable.

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 any public announcements or malicious use of the vulnerability described in this advisory.

For security problems about Huawei products and solutions, please contact PSIRT@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.

2015-09-09 V1.0 INITIAL


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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/.