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Security Advisory - Input Validation Vulnerability in Some Huawei Products

  • SA No:huawei-sa-20161111-01-mpls
  • Initial Release Date: Nov 11, 2016
  • Last Release Date: Nov 11, 2016

Some Huawei products have an input validation vulnerability due to improper validation of Multiprotocol Label Switching (MPLS) packets. A remote unauthenticated attacker could exploit this vulnerability by sending malformed MPLS packets. Successful exploit could lead to a denial of service (DoS) condition. (Vulnerability ID: HWPSIRT-2016-08023)

This vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2016-8773.

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-20161111-01-mpls-en

Product Name

Affected Version

Resolved Product and Version

S5300

V200R003C00

V200R003C00SPC300+V200R003SPH019

V200R007C00

V200R007C00SPC500+V200R007SPH011

V200R008C00

V200R008C00SPC500+V200R008SPH009

V200R009C00

V200R009C00SPC500

S5700

V200R001C00

Upgrade to V200R003C00SPC300+V200R003SPH019

V200R002C00

V200R003C00

V200R003C00SPC300+V200R003SPH019

V200R005C00

V200R005C00SPC500+V200R005SPH012

V200R005C03

V200R007C00

V200R007C00SPC500+V200R007SPH011

V200R008C00

V200R008C00SPC500+V200R008SPH009

V200R009C00

V200R009C00SPC500

S6300

V200R003C00

V200R003C00SPC300+V200R003SPH019

V200R005C00

V200R005C00SPC500+V200R005SPH012

V200R008C00

V200R008C00SPC500+V200R008SPH009

V200R009C00

V200R009C00SPC500

S6700

V200R001C00

Upgrade to V200R003C00SPC300+V200R003SPH019

V200R001C01

V200R002C00

V200R003C00

V200R003C00SPC300+V200R003SPH019

V200R005C00

V200R005C00SPC500+V200R005SPH012

V200R008C00

V200R008C00SPC500+V200R008SPH009

V200R009C00

V200R009C00SPC500

S7700

V200R007C00

V200R007C00SPC500+V200R007SPH011

V200R008C00

V200R008C00SPC500+V200R008SPH009

V200R009C00

V200R009C00SPC500

S9300

V200R007C00

V200R007C00SPC500+V200R007SPH011

V200R008C00

V200R008C00SPC500+V200R008SPH009

V200R009C00

V200R009C00SPC500

S9700

V200R007C00

V200R007C00SPC500+V200R007SPH011

V200R008C00

V200R008C00SPC500+V200R008SPH009

V200R009C00

V200R009C00SPC500

S12700

V200R007C00

V200R007C00SPC500+V200R007SPH011

V200R007C01

V200R008C00

V200R008C00SPC500+V200R008SPH009

V200R009C00

V200R009C00SPC500


Successful exploit could lead to a denial of service (DoS) condition.

The severity of the vulnerability in this advisory has been assessed by the Common Vulnerability Scoring System Version 3.0 (CVSS v3 Specification Document).

Base Score: 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Temporal Score: 7.0 (E:F/RL:O/RC:C)

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

Attacker can connect to the devices. 

2.Vulnerability details:

A remote unauthenticated attacker could exploit this vulnerability by sending malformed MPLS packets. Successful exploit could lead to a denial of service (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.

2016-11-11 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.