The UDP process in Cisco IOS XR 4.3.1 does not free packet memory upon detecting full packet queues, which allows remote attackers to cause a denial of service (memory consumption) via UDP packets to listening ports, aka Bug ID CSCue69413.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ios_xr | Cisco | 4.3.1 (including) | 4.3.1 (including) |