Net-Server, when the reverse-lookups option is enabled, does not check if the hostname resolves to the source IP address, which might allow remote attackers to bypass ACL restrictions via the hostname parameter.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Net-server | Seamons | - (including) | - (including) |
| Libnet-server-perl | Ubuntu | artful | * |
| Libnet-server-perl | Ubuntu | bionic | * |
| Libnet-server-perl | Ubuntu | cosmic | * |
| Libnet-server-perl | Ubuntu | disco | * |
| Libnet-server-perl | Ubuntu | eoan | * |
| Libnet-server-perl | Ubuntu | esm-infra-legacy/trusty | * |
| Libnet-server-perl | Ubuntu | esm-infra/bionic | * |
| Libnet-server-perl | Ubuntu | esm-infra/xenial | * |
| Libnet-server-perl | Ubuntu | focal | * |
| Libnet-server-perl | Ubuntu | groovy | * |
| Libnet-server-perl | Ubuntu | hardy | * |
| Libnet-server-perl | Ubuntu | hirsute | * |
| Libnet-server-perl | Ubuntu | impish | * |
| Libnet-server-perl | Ubuntu | jammy | * |
| Libnet-server-perl | Ubuntu | kinetic | * |
| Libnet-server-perl | Ubuntu | lucid | * |
| Libnet-server-perl | Ubuntu | lunar | * |
| Libnet-server-perl | Ubuntu | mantic | * |
| Libnet-server-perl | Ubuntu | oneiric | * |
| Libnet-server-perl | Ubuntu | precise | * |
| Libnet-server-perl | Ubuntu | precise/esm | * |
| Libnet-server-perl | Ubuntu | quantal | * |
| Libnet-server-perl | Ubuntu | raring | * |
| Libnet-server-perl | Ubuntu | saucy | * |
| Libnet-server-perl | Ubuntu | trusty | * |
| Libnet-server-perl | Ubuntu | trusty/esm | * |
| Libnet-server-perl | Ubuntu | upstream | * |
| Libnet-server-perl | Ubuntu | utopic | * |
| Libnet-server-perl | Ubuntu | vivid | * |
| Libnet-server-perl | Ubuntu | wily | * |
| Libnet-server-perl | Ubuntu | xenial | * |
| Libnet-server-perl | Ubuntu | yakkety | * |
| Libnet-server-perl | Ubuntu | zesty | * |