crontab.c in crontab in FreeBSD allows local users to determine the
existence of arbitrary directories via a command-line argument
composed of a directory name concatenated with a directory traversal
sequence that leads to the /etc/crontab pathname.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
BUGTRAQ:20110228 FreeBSD crontab information leakage
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