Cisco IOS 12.0 and other versions can be crashed by malicious UDP packets to the syslog port.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ios | Cisco | 11.3aa (including) | 11.3aa (including) |
| Ios | Cisco | 11.3db (including) | 11.3db (including) |
| Ios | Cisco | 12.0 (including) | 12.0 (including) |
| Ios | Cisco | 12.0(1)w (including) | 12.0(1)w (including) |
| Ios | Cisco | 12.0(1)xa3 (including) | 12.0(1)xa3 (including) |
| Ios | Cisco | 12.0(1)xb (including) | 12.0(1)xb (including) |
| Ios | Cisco | 12.0(1)xe (including) | 12.0(1)xe (including) |
| Ios | Cisco | 12.0(2)xc (including) | 12.0(2)xc (including) |
| Ios | Cisco | 12.0(2)xd (including) | 12.0(2)xd (including) |
| Ios | Cisco | 12.0db (including) | 12.0db (including) |
| Ios | Cisco | 12.0s (including) | 12.0s (including) |
| Ios | Cisco | 12.0t (including) | 12.0t (including) |