Happy Birthday FreeBSD! Now you are 20 years old and your security is the same as 20 years ago... :)

[Hunger]

$ uname -a
FreeBSD fbsd91x64 9.1-RELEASE FreeBSD 9.1-RELEASE #0 r243825: Tue Dec
4 09:23:10 UTC 2012
root at farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  amd64
$ id
uid=1001(hunger) gid=1002(hunger) groups=1002(hunger)
$ gcc fbsd9lul.c -o fbsd9lul
$ ./fbsd9lul
FreeBSD 9.{0,1} mmap/ptrace exploit
by Hunger <fbsd9lul at hunger.hu>
# id
uid=0(root) gid=0(wheel) egid=1002(hunger) groups=1002(hunger)
#