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On huawei Campus Switch, AR, SRG,WLAN devices, the RADIUS component cannot handle malformed RADIUS packets. This vulnerability allows attackers to repeatedly restart the device, causing a DoS attack (Vulnerability ID: HWPSIRT-2014-0307).
This Vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2014-4704.
Product Name |
Versions |
AR150/AR160/ AR530/ AR200/ AR1200/AR 2200/AR 3200 |
V200R005C00 |
SRG1300/SRG2300/SRG3300 |
V200R005C00 |
AR150/AR160/ AR530/ AR200/ AR1200/AR 2200/AR 3200 |
V200R003 |
SRG1300/SRG2300/SRG3300 |
V200R003 |
Campus switch S9300/S9300E/S7700/S9700 |
V200R001C00SPC300 |
Campus switch S5700/S6700/5300/6300 |
V200R001C00SPC300 |
WLAN AC6605/AC6005/ACU2 |
V200R005C00SPC100 |
V200R005C00 |
This vulnerability allows attackers to repeatedly restart the device, causing a DoS attack.
The vulnerability classification has been performed by using the CVSSv2 scoring system (http://www.first.org/cvss/).
Base Score: 6.3 (AV:N/AC:M/Au:S/C:N/I:N/A:C)
Temporal Score: 5.2(E:F/RL:O/RC:C)
1. Prerequisite:
The remote authentication or accounting method is RADIUS.
2. Attacking procedure:
Attackers graft malformed RADIUS packets, which cannot be handled by the device and cause the device to restart.
Upgrading version and version status:
Product Name |
Affected Versions |
Solved Versions |
Version Status |
AR150/AR160/ AR530/ AR200/ AR1200/AR 2200/AR 3200 |
V200R005C00 |
V200R005C10SPC500 |
Released |
SRG1300/SRG2300/SRG3300 |
V200R005C00 |
V200R005C10SPC500 |
Released |
AR150/AR160/ AR530/ AR200/ AR1200/AR 2200/AR 3200 |
V200R003 |
V200R005C10SPC500 |
Released |
SRG1300/SRG2300/SRG3300 |
V200R003 |
V200R005C10SPC500 |
Released |
Campus switch S9300/S9300E/S7700/S9700 |
V200R001C00SPC300 |
V200R001SPH016 |
Released |
Campus switch S5700/S6700/5300/6300 |
V200R001C00SPC300 |
V200R001SPH013 |
Released |
WLAN AC6605/AC6005/ACU2 |
V200R005C00SPC100 |
V200R005C00SPC200 |
Released |
V200R005C00 |
V200R005C00SPC200 |
Released |
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/enterprise/. For TAC contact information, please refer to Huawei worldwide website at http://www.huawei.com/en/security/psirt/report-vulnerabilities/index.htm.
This vulnerability is found by Huawei internal tester. Huawei PSIRT is not aware of any public announcements or malicious use of the vulnerability 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.
2014-05-08 V1.0 INITIAL
2014-07-09 V1.1 UPDATED update the assigned CVE ID
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/.