FTP servers can allow an attacker to connect to arbitrary ports on machines other than the FTP client, aka FTP bounce.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Inet | Gnu | 5.01 (including) | 5.01 (including) |
| Inet | Gnu | 6.01 (including) | 6.01 (including) |
| Inet | Gnu | 6.02 (including) | 6.02 (including) |
| Wu-ftpd | Washington_university | 2.4 (including) | 2.4 (including) |