Multiple buffer overflows in WS_FTP Server 5.03 2004.10.14 allow remote attackers to cause a denial of service (service crash) via long (1) SITE, (2) XMKD, (3) MKD, and (4) RNFR commands.
https://exchange.xforce.ibmcloud.com/vulnerabilities/18296
http://www.securiteam.com/exploits/6D00L2KBPG.html
http://marc.info/?l=bugtraq&m=110177654524819&w=2
http://lists.grok.org.uk/pipermail/full-disclosure/2004-November/029600.html