Multiple stack-based buffer overflows in High Performance Anonymous FTP Server (hpaftpd) 1.01 allow remote attackers to execute arbitrary code via long arguments to the (1) USER, (2) PASS, (3) CWD, (4) MKD, (5) RMD, (6) DELE, (7) RNFR, or (8) RNTO FTP command.
https://exchange.xforce.ibmcloud.com/vulnerabilities/33288
http://www.vupen.com/english/advisories/2007/1142
http://www.securityfocus.com/bid/23147