The dupfdopen function in sys/kern/kern_descrip.c in OpenBSD 3.7 and 3.8 allows local users to re-open arbitrary files by using setuid programs to access file descriptors using /dev/fd/.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Openbsd | Openbsd | 3.7 (including) | 3.7 (including) |
Openbsd | Openbsd | 3.8 (including) | 3.8 (including) |