The SIP ALG feature in the NAT implementation in Cisco IOS 12.2, 12.4, and 15.0 through 15.2 allows remote attackers to cause a denial of service (device reload) via transit IP packets, aka Bug ID CSCtn76183.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ios | Cisco | 12.2 (including) | 12.2 (including) |
| Ios | Cisco | 12.4 (including) | 12.4 (including) |
| Ios | Cisco | 15.0 (including) | 15.0 (including) |
| Ios | Cisco | 15.0(1)se (including) | 15.0(1)se (including) |
| Ios | Cisco | 15.1 (including) | 15.1 (including) |
| Ios | Cisco | 15.2 (including) | 15.2 (including) |
References
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-nat
- http://www.securityfocus.com/bid/55693
- http://www.securitytracker.com/id?1027579
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-nat
- http://www.securityfocus.com/bid/55693
- http://www.securitytracker.com/id?1027579