makewhatis in Linux man package allows local users to overwrite files via a symlink attack.
https://exchange.xforce.ibmcloud.com/vulnerabilities/4900
http://www.securityfocus.com/bid/1434
http://www.redhat.com/support/errata/RHSA-2000-041.html
http://frontal2.mandriva.com/security/advisories?name=MDKSA-2000:015
http://archives.neohapsis.com/archives/bugtraq/2000-07/0390.html