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Security Advisory - DoS Vulnerability in Huawei Switches

  • SA No:huawei-sa-20161130-01-switch
  • Initial Release Date: 2016-11-30
  • Last Release Date: 2016-11-30

There is a denial of service (DoS) vulnerability in Huawei switches due to improper management of system resources. A remote attacker with specific permission could store massive files to exhaust the shared storage space, leading to a DoS condition. (Vulnerability ID: HWPSIRT-2016-06006)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2016-8780.

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

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20161130-01-switch-en

Product Name

Affected Version

Resolved Product and Version

CloudEngine 12800

V100R006C00

Upgrade to V200R001C00

CloudEngine 6800

V100R006C00

Upgrade to V200R001C00

CloudEngine 7800

V100R006C00

Upgrade to V200R001C00

CloudEngine 8800

V100R006C00

Upgrade to V200R001C00

Successful exploit could exhaust the system storage space, leading to a DoS condition.

The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).

Base Score: 7.7 (AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H)

Temporal Score: 7.1 (E:F/RL:O/RC:C)


This vulnerability can be exploited only when the following conditions are present:

1. The attacker logs in to the device as a specific user.

Vulnerability details:

Because of the improper management of system resources, a remote attacker with specific permission could store massive files to exhaust the shared storage space of the device, leading to a DoS condition.


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.

2016-11-30 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.