多款Huawei路由器信息泄露漏洞

Summary

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).

This vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2015-7846.
Huawei has released software updates to fix these vulnerabilities. This advisory is available at the following link:

<http://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-446634.htm&gt;

Software Versions and Fixes

Product Name	Affected Version	Resolved Product and Version
S7700/S9700/S9300	V200R001C00SPC300 V200R002C00SPC100 V200R003C00SPC500 V200R005C00SPC300 V200R006C00SPC300 V200R006C00SPC500	Upgrade to V200R07C00SPC500
AR200/ AR1200/AR2200/AR3200	V200R003C00SPC100 V200R003C00SPC200 V200R003C01SPC100 V200R003C01SPC200 V200R003C01SPC300 V200R003C01SPC500 V200R003C01SPC600 V200R003C01SPC800 V200R003C01SPC900	Upgrade to V200R005C20SPC200

Impact

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

Vulnerability Scoring Details

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)

Technique Details

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.

Temporary Fix

None

Obtaining Fixed Software

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.

Exploitation and Vulnerability Source

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.

Contact Channel for Technique Issue

For security problems about Huawei products and solutions, please contact [email protected].

For general problems about Huawei products and solutions, please directly contact Huawei TAC (Huawei Technical Assistance Center) to request the configuration or technical assistance.

Revision History

2015-10-28 V1.2 UPDATED Updated Summary by adding CVE ID to this vulnerability and the released security advisory link

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

2015-08-05 V1.0 INITIAL

Declaration

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.

Huawei Security Procedures

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/.