CVE-2013-1775

sudo 1.6.0 through 1.7.10p6 and sudo 1.8.0 through 1.8.6p6 allows local users or physically proximate attackers to bypass intended time restrictions and retain privileges without re-authenticating by setting the system clock and sudo user timestamp to the epoch.

Date published : 2013-03-04

http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html

http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html