The bsdinstall installer in FreeBSD 10.x before 10.1 p9, when configuring full disk encrypted ZFS, uses world-readable permissions for the GELI keyfile (/boot/encryption.key), which allows local users to obtain sensitive key information by reading the file.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1415
Reference (s):
- BUGTRAQ:20150407 FreeBSD 10.x ZFS encryption.key disclosure (CVE-2015-1415)
- URL: http://www.securityfocus.com/archive/1/535209/100/0/threaded
- FREEBSD:FreeBSD-SA-15:08
- URL: https://www.freebsd.org/security/advisories/FreeBSD-SA-15:08.bsdinstall.asc
- http://packetstormsecurity.com/files/131338/FreeBSD-10.x-ZFS-encryption.key-Disclosure.html