ProFTPD before 1.3.6b and 1.3.7rc before 1.3.7rc2 allows remote unauthenticated denial-of-service due to incorrect handling of overly long commands because main.c in a child process enters an infinite loop.
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Proftpd | Proftpd | * | 1.3.5 (including) |
| Proftpd | Proftpd | 1.3.6 (including) | 1.3.6 (including) |
| Proftpd | Proftpd | 1.3.6-a (including) | 1.3.6-a (including) |
| Proftpd | Proftpd | 1.3.6-rc1 (including) | 1.3.6-rc1 (including) |
| Proftpd | Proftpd | 1.3.6-rc2 (including) | 1.3.6-rc2 (including) |
| Proftpd | Proftpd | 1.3.6-rc3 (including) | 1.3.6-rc3 (including) |
| Proftpd | Proftpd | 1.3.6-rc4 (including) | 1.3.6-rc4 (including) |
| Proftpd | Proftpd | 1.3.7-rc1 (including) | 1.3.7-rc1 (including) |
| Proftpd-dfsg | Ubuntu | bionic | * |
| Proftpd-dfsg | Ubuntu | disco | * |
| Proftpd-dfsg | Ubuntu | eoan | * |
| Proftpd-dfsg | Ubuntu | groovy | * |
| Proftpd-dfsg | Ubuntu | hirsute | * |
| Proftpd-dfsg | Ubuntu | impish | * |
| Proftpd-dfsg | Ubuntu | kinetic | * |
| Proftpd-dfsg | Ubuntu | lunar | * |
| Proftpd-dfsg | Ubuntu | mantic | * |
| Proftpd-dfsg | Ubuntu | trusty | * |
| Proftpd-dfsg | Ubuntu | xenial | * |