Security Advisory - DoS Vulnerability in Some Huawei Firewall Products
- SA No:huawei-sa-20161116-01-firewall
- Initial Release Date: Nov 16, 2016
- Last Release Date: Nov 16, 2016
Some Huawei firewall products have a denial of service (DoS) vulnerability. Due to improper validation of some specific fields of DHCP message, an unauthenticated attacker may send abnormal DHCP request packets to the affected products. Successful exploit of this vulnerability could lead to a DoS condition. (Vulnerability ID: HWPSIRT-2016-08064)
This vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2016-8796.
Huawei has released software updates to fix these vulnerabilities. This advisory is available at the following link:
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20161116-01-firewall-en
|
Product Name |
Affected Version |
Resolved Product and Version |
|
USG9520 |
V300R001C01 |
V300R001C01SPCa00 |
|
USG9560 |
V300R001C01 |
V300R001C01SPCa00 |
|
USG9580 |
V300R001C01 |
V300R001C01SPCa00 |
Successful exploit of this vulnerability could lead to a DoS condition.
The vulnerability classification has been performed by using the CVSSv3 scoring system (https://www.first.org/cvss/specification-document).
Base Score: 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Temporal Score: 7.0 (E:F/RL:O/RC:C)
1. Prerequisite:
The attacker gains access to the affected product network;
2. Attacking procedure:
Due to improper validation of some specific fields of DHCP message, an unauthenticated attacker may send abnormal DHCP request packets to the affected products. Successful exploit of this vulnerability could lead to a DoS condition.
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.
2016-11-16 V1.0 INITIAL
None
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.
