CVE-2007-0166
The jail rc.d script in FreeBSD 5.3 up to 6.2 does not verify pathnames when writing to /var/log/console.log during a jail start-up, or when file systems are mounted or unmounted, which allows local root users to overwrite arbitrary files, or mount/unmount files, outside of the jail via a symlink attack.
Date published : 2007-01-11
http://www.securityfocus.com/bid/22011
http://security.freebsd.org/advisories/FreeBSD-SA-07:01.jail.asc