rdist 6.1.5 allows local users to overwrite arbitrary files via a symlink attack.
https://exchange.xforce.ibmcloud.com/vulnerabilities/5925
https://euvd.enisa.europa.eu/vulnerability/EUVD-2001-0118
http://www.securityfocus.com/bid/2195
http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-005.php3