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.

Vulnerability in crontab allows local users to read crontab files of other users by replacing the temporary file that is being edited while crontab is running.