The TCP implementation in various BSD operating systems (tcp_input.c) does not properly block connections to broadcast addresses, which could allow remote attackers to bypass intended filters via packets with a unicast link layer address and an IP broadcast address.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Freebsd | Freebsd | * | 4.5 (including) |
| Netbsd | Netbsd | 2.0.4 (including) | 2.0.4 (including) |
| Openbsd | Openbsd | * | * |