The sendfile system call in FreeBSD 5.5 through 7.0 does not check the access flags of the file descriptor used for sending a file, which allows local users to read the contents of write-only files.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Freebsd | Freebsd | 6.3 | 6.3 |
| Freebsd | Freebsd | 5.5 | 5.5 |
| Freebsd | Freebsd | 7.0 | 7.0 |
| Freebsd | Freebsd | 6.2 | 6.2 |