thttpd on Debian GNU/Linux, and possibly other distributions, allows local users to create or touch arbitrary files via a symlink attack on the start_thttpd temporary file.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2006-4237
http://www.securityfocus.com/bid/20891
http://www.debian.org/security/2006/dsa-1205