Cisco IOS 15.4S, 15.4SN, and 15.5S and IOS XE 3.13S and 3.14S allow remote attackers to cause a denial of service (device crash) by including an IA_NA option in a DHCPv6 Solicit message on the local network, aka Bug ID CSCur29956.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ios_xe | Cisco | 3.13s.0 (including) | 3.13s.0 (including) |
| Ios_xe | Cisco | 3.13s.1 (including) | 3.13s.1 (including) |
| Ios_xe | Cisco | 3.14s.0 (including) | 3.14s.0 (including) |