ProFTPD 1.3.1 interprets long commands from an FTP client as multiple commands, which allows remote attackers to conduct cross-site request forgery (CSRF) attacks and execute arbitrary FTP commands via a long ftp:// URI that leverages an existing session from the FTP client implementation in a web browser.
https://www.redhat.com/archives/fedora-package-announce/2009-January/msg00245.html
https://www.redhat.com/archives/fedora-package-announce/2009-January/msg00078.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/45274
http://www.securitytracker.com/id?1020945
http://www.mandriva.com/security/advisories?name=MDVSA-2009:061
http://www.debian.org/security/2008/dsa-1689
http://securityreason.com/securityalert/4313
http://securityreason.com/achievement_securityalert/56
http://secunia.com/advisories/33413
http://secunia.com/advisories/33261