crontab in Vixie cron 4.1, when running with the -e option, allows local users to read the cron files of other users by changing the file being edited to a symlink. NOTE: there is insufficient information to know whether this is a duplicate of CVE-2001-0235.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11104
http://www.securityfocus.com/bid/13024
http://www.redhat.com/support/errata/RHSA-2006-0117.html
http://www.redhat.com/support/errata/RHSA-2005-361.html
http://www.novell.com/linux/security/advisories/2007_007_suse.html
http://support.avaya.com/elmodocs2/security/ASA-2006-118.htm
http://secunia.com/advisories/24995