crontab.c in crontab in FreeBSD and Apple Mac OS X allows local users
to (1) determine the existence of arbitrary files via a symlink attack
on a /tmp/crontab.XXXXXXXXXX temporary file and (2) perform MD5
checksum comparisons on arbitrary pairs of files via two symlink
attacks on /tmp/crontab.XXXXXXXXXX temporary files.
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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