The FTP protocol implementation in Konqueror 3.5.5 allows remote servers to force the client to connect to other servers, perform a proxied port scan, or obtain sensitive information by specifying an alternate server address in an FTP PASV response.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10646
https://issues.rpath.com/browse/RPL-1201
http://www.vupen.com/english/advisories/2007/1076
http://www.ubuntu.com/usn/usn-447-1
http://www.securityfocus.com/bid/23091
http://www.redhat.com/support/errata/RHSA-2007-0909.html
http://www.novell.com/linux/security/advisories/2007_6_sr.html
http://www.mandriva.com/security/advisories?name=MDKSA-2007:072
http://www.kde.org/info/security/advisory-20070326-1.txt
http://securitytracker.com/id?1017801
http://secunia.com/advisories/27108
http://secunia.com/advisories/24889
http://bindshell.net/papers/ftppasv/ftp-client-pasv-manipulation.pdf