CVE-2013-5188 Information

Description

The Screen Lock implementation in Apple Mac OS X before 10.9 when hibernation and autologin are enabled does not require a password for a transition out of hibernation which allows physically proximate attackers to obtain access by visiting an unattended workstation in the hibernating state.

Reference

http://lists.apple.com/archives/security-announce/2013/Oct/msg00004.html