Memory leak in the NAT implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xSG, allows remote attackers to cause a denial of service (memory consumption or device reload) by sending crafted SIP packets to UDP port 5060, aka Bug ID CSCtj04672.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ios_xe | Cisco | 3.1.0sg (including) | 3.1.0sg (including) |
| Ios_xe | Cisco | 3.1.1sg (including) | 3.1.1sg (including) |