PF in certain OpenBSD versions, when stateful filtering is enabled, does not limit packets for a session to the original interface, which allows remote attackers to bypass intended packet filters via spoofed packets to other interfaces.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Openbsd | Openbsd | 3.0 (including) | 3.0 (including) |
| Openbsd | Openbsd | 3.1 (including) | 3.1 (including) |
| Openbsd | Openbsd | 3.2 (including) | 3.2 (including) |
| Openbsd | Openbsd | 3.3 (including) | 3.3 (including) |
| Openbsd | Openbsd | 3.4 (including) | 3.4 (including) |
References
- http://marc.info/?l=full-disclosure\u0026m=107331321302113\u0026w=2
- http://www.osvdb.org/19105
- http://www.securityfocus.com/bid/9362
- http://marc.info/?l=full-disclosure\u0026m=107331321302113\u0026w=2
- http://www.osvdb.org/19105
- http://www.securityfocus.com/bid/9362