fcronsighup in Fcron 2.0.1, 2.9.4, and possibly earlier versions allows local users to delete arbitrary files or create arbitrary empty files via a target filename with a large number of leading slash (/) characters such that fcronsighup does not properly append the intended fcrontab.sig to the resulting string.
https://exchange.xforce.ibmcloud.com/vulnerabilities/18077
http://www.idefense.com/application/poi/display?id=157&type=vulnerabilities&flashstatus=false