In uftpd before 2.12, handle_CWD in ftpcmd.c mishandled the path provided by the user, causing a NULL pointer dereference and denial of service, as demonstrated by a CWD /.. command.
The product dereferences a pointer that it expects to be valid but is NULL.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Uftpd | Troglobit | * | 2.12 (excluding) |