Security Advisory - ICMPv6 DoS Vulnerability in Huawei Switches
- SA No:Huawei-SA-20160113-02-Switch
- Initial Release Date: Jan 13, 2016
- Last Release Date: Jan 13, 2016
Multiple Huawei switches improperly release memory for ICMPv6 packets of a specific type. After the switch receives a specially crafted ICMPv6 packet, memory leak occurs, causing the switch to restart if the allocated memory is exhausted. (Vulnerability ID: HWPSIRT-2015-11034)
This vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2015-8676.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-20160113-02-switch-en
|
Product Name |
Affected Version |
Resolved Product and Version |
|
S5300EI/ S5300SI/ S5310HI/ S6300EI/ S2350EI/ S5300LI |
V200R001C00 |
V200R001SPH018 |
|
V200R002C00 |
Upgrade to V200R003C00 |
|
|
V200R003C00 |
V200R003SPH011 |
|
|
S9300/ S7700/ S9700 |
V200R001C00 |
V200R001SPH023 |
|
V200R002C00 |
Upgrade to V200R003C00 |
|
|
V200R003C00 |
V200R003SPH011 |
|
|
S2300/ S3300 |
V100R006C05 |
V100R006SPH022 |
An attacker may exploit this vulnerability to launch DoS attacks against the device.
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. Prerequisites:
The attacker can access to the network where the device resides.
2. Attacking procedure:
The attacker crafts special ICMPv6 packets and sends them to the device, and then a memory leak will be triggered on the device. The device will restart if the allocated memory is exhausted.
This vulnerability was reported by Huawei internal tester.
None
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