Security Advisory - Defense Mechanism Bypass Vulnerability in Huawei USG Products
- SA No:huawei-sa-20161026-01-usg
- Initial Release Date: Oct 26, 2016
- Last Release Date: Oct 26, 2016
There is a defense mechanism bypass vulnerability in Huawei USG products. Successful exploit could allow an attacker to bypass the anti-DDoS module of the USGs to send massive HTTP packets, possibly causing a denial of service condition on the backend server. (Vulnerability ID: HWPSIRT-2016-07050)
This vulnerability has been assigned CVE ID: CVE-2016-8798.
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-20161026-01-usg-en
|
Product Name |
Affected Version |
Resolved Product and Version |
|
USG5500 |
V300R001C00 |
Upgrade to V300R001C10SPC600 |
|
V300R001C10 |
V300R001C10SPC600 |
An attacker can exploit this vulnerability to bypass the anti-DDoS module of the USGs to send massive HTTP packets, possibly causing a denial of service condition on the backend server.
The vulnerability classification has been performed by using the CVSSv2 scoring system (http://www.first.org/cvss/).
Base Score: 5.0 (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Temporal Score: 4.1 (E:F/RL:O/RC:C)
1. Prerequisite:
The attacker has connected to device.
2. Attacking procedure:
There is a defense mechanism bypass vulnerability in Huawei USG products. Successful exploit could allow an attacker to bypass the anti-DDoS module of the USGs to send massive HTTP packets, possibly causing a denial of service condition on the backend server.
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 disclosed by the Third Research Institute of Ministry of Public Security on the Cyber Force Fornum (CFF) Hacker Show sub-forum. Huawei would like to thank “Third Research Institute of Ministry of Public Security” for working with us and coordinated vulnerability disclosure to protect our customers.
2016-10-26 V1.0 INITIAL
None
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