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Security Advisory - HTTP Header Injection Vulnerability in Huawei FusionAccess

  • SA No:huawei-sa-20160817-01-fusionaccess
  • Initial Release Date: 2016-08-17
  • Last Release Date: 2016-08-31

The FusionAccess is the desktop management system of Huawei FusionCloud desktop solution.

Huawei FusionAccess has an HTTP header injection vulnerability. A remote, unauthenticated attacker can exploit it to tamper with HTTP headers, causing users to access crafted URLs. (Vulnerability ID: HWPSIRT-2016-06004)

This vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2016-6839.

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-20160817-01-fusionaccess-en

Product Name

Affected Version

Resolved Product and Version

FusionAccess

V100R005C30

Upgrade to V100R006C00

V100R005C20

V100R005C10

Successful exploit could allow the attacker to tamper with HTTP headers, causing users to access crafted URLs.

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

Base Score: 5.0 (AV:N/AC:L/Au:N/C:N/I:P/A:N)

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

1. Prerequisite:

The attacker has access to the network of the affected devices.

2. Attacking procedure:

A remote, unauthenticated attacker can exploit the vulnerability to tamper with HTTP headers, causing users to access crafted URLs. 

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 discovered by Huawei internal tester.

2016-08-31 V1.1 UPDATED Assigned a CVE ID to the vulnerability

2016-08-17 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.

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.