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Multiple Huawei products have "DHCP Snooping" function. When the "option82 insert" or "option82 rebuild" is enabled on interface, the device is not able to parse some specific DHCP packet correctly, making the device restart. (Vulnerability ID:HWPSIRT-2015-08052)
This vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2015-8084.
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-457916.htm
Product Name |
Affected Version |
Resolved Product and Version |
USG5500 |
earlier versions than V300R001C10SPC600 |
V300R001C10SPC600 |
USG2100 |
earlier versions than V300R001C10SPC600 |
V300R001C10SPC600 |
USG2200 |
earlier versions than V300R001C10SPC600 |
V300R001C10SPC600 |
USG5100 |
V300R001C10 |
V300R001C10SPC600 |
Attackers may make the device restart by exploiting this vulnerability.
The vulnerability classification has been performed by using the CVSSv2 scoring system (http://www.first.org/cvss/).
Base Score: 7.8 (AV:N/AC:L/Au:N/C:N/I:N/A:C)
Temporal Score: 6.4 (E:F/RL:O/RC:C)
Prerequisite:
1 Attackers can send malformed DHCP packet to the device.
2 The "DHCP Snooping" is enabled and the "option82 insert" or "option82 rebuild" is enabled on interface
Attacking procedure:
Attackers send malformed DHCP packet to the device. The device is not able to parse some specific DHCP packet correctly, making the device restart.
This vulnerability was found by Huawei internal tester. Huawei PSIRT is not aware of malicious use of the vulnerability described in this advisory.
For security problems about Huawei products and solutions, please contactPSIRT@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.
2015-11-11 V1.1 UPDATED Added CVE ID information in the 'Summary' section.
2015-10-21 V1.0 INITIAL
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