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Security Advisory - CF Card Information Leak Vulnerability on Multiple Huawei Products

  • SA No:Huawei-SA-20150805-01-VRP
  • Initial Release Date: Aug 05, 2015
  • Last Release Date: Aug 19, 2015


The CF cards on some Huawei switches and ARs contain some sensitive information in plaintext. Once an attacker gets such a CF card, it may result in the leak of sensitive information (HWPSIRT-2015-07048).

Currently, official fixes are available.

Product Name

Affected Version

Resolved Product and Version

S7700/S9700/S9300

V200R001C00SPC300

Upgrade to V200R07C00SPC500

V200R002C00SPC100

V200R003C00SPC500

V200R005C00SPC300

V200R006C00SPC300

V200R006C00SPC500

AR200/ AR1200/AR2200/AR3200

V200R003C00SPC100

Upgrade to V200R005C20SPC200

V200R003C00SPC200

V200R003C01SPC100

V200R003C01SPC200

V200R003C01SPC300

V200R003C01SPC500

V200R003C01SPC600

V200R003C01SPC800

V200R003C01SPC900


Once the attacker gets such a CF card, it may result in the leak of sensitive information.

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

Base Score:2.1 (AV:L/AC:L/Au:N/C:P/I:N/A:N)

Temporal Score: 1.7 (E:F/RL:O/RC:C)

1. Prerequisite:

The attacker must have physical access to the equipment.

2. Attacking procedure:

The attacker gets physical access to the equipment, takes away the CF card, and exports the files from it.

Customers should contact Huawei TAC (Huawei Technical Assistance Center) to request the upgrades, or obtain them through Huawei worldwide website at http://support.huawei.com/support/.

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 reported privately to Huawei by Mickey Shkatov from Intel Advanced Threat Research Team and Jesse Michael from Intel. Huawei expresses our appreciation for Mickey Shkatov’s and Jesse Michael’s coordinated vulnerability disclosure with Huawei.

Huawei PSIRT is not aware of any malicious use of the vulnerabilities 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.

2015-08-19 V1.1 UPDATED Update the Software Versions and Fixes.

2015-08-05 V1.0 INITIAL

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.

Complete information on 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/.