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Security Advisory - DoS Vulnerability in Huawei Firewall Products

  • SA No:huawei-sa-20171025-01-firewall
  • Initial Release Date: Oct 25, 2017
  • Last Release Date: Oct 25, 2017

There is a DoS vulnerability in some Huawei firewall products. Due to insufficient input validation, a remote attacker who controls the peer device could exploit the vulnerability by sending malformed IKE packets to the target device. Successful exploit of the vulnerability could cause the device to restart. (Vulnerability ID: HWPSIRT-2017-07147)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-8167.

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-20171025-01-firewall-en

Product Name

Affected Version

Resolved Product and Version

USG9500

V500R001C50

Upgrade to V500R001C60SPC200

Successful exploit of the vulnerability could cause the device to restart.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 5.9 (AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)
Temporal Score: 5.5 (E:F/RL:O/RC:C)

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

The attacker can control a peer device connected to the target device.

Vulnerability details:

Due to insufficient input validation, a remote attacker who controls the peer device could exploit the vulnerability by sending malformed IKE packets to the target device. Successful exploit of the vulnerability could cause the device to restart.

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.
2017-10-25 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.