Cisco IOS 11.1CC through 12.2 with Cisco Express Forwarding (CEF) enabled includes portions of previous packets in the padding of a MAC level packet when the MAC packets length is less than the IP level packet length.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ios | Cisco | 11.1cc (including) | 11.1cc (including) |
| Ios | Cisco | 12.0 (including) | 12.0 (including) |
| Ios | Cisco | 12.0s (including) | 12.0s (including) |
| Ios | Cisco | 12.0st (including) | 12.0st (including) |
| Ios | Cisco | 12.0t (including) | 12.0t (including) |
| Ios | Cisco | 12.1 (including) | 12.1 (including) |
| Ios | Cisco | 12.1e (including) | 12.1e (including) |
| Ios | Cisco | 12.1t (including) | 12.1t (including) |
| Ios | Cisco | 12.2 (including) | 12.2 (including) |
| Ios | Cisco | 12.2t (including) | 12.2t (including) |
References
- http://www.cisco.com/warp/public/707/IOS-CEF-pub.shtml
- http://www.iss.net/security_center/static/8296.php
- http://www.kb.cert.org/vuls/id/310387
- http://www.osvdb.org/806
- http://www.securityfocus.com/bid/4191
- http://www.cisco.com/warp/public/707/IOS-CEF-pub.shtml
- http://www.iss.net/security_center/static/8296.php
- http://www.kb.cert.org/vuls/id/310387
- http://www.osvdb.org/806
- http://www.securityfocus.com/bid/4191