fcrontab in fcron before 3.0.5 allows local users to read arbitrary files via a symlink attack on an unspecified file.
https://exchange.xforce.ibmcloud.com/vulnerabilities/56680
http://www.vupen.com/english/advisories/2010/0730
http://www.securityfocus.com/bid/38531
http://www.securityfocus.com/archive/1/509873/100/0/threaded
http://securitytracker.com/id?1023677
http://secunia.com/advisories/39195
http://secunia.com/advisories/38796
http://seclists.org/fulldisclosure/2010/Mar/97
http://lists.fedoraproject.org/pipermail/package-announce/2010-March/038150.html