The mod_proxy_ftp module in the Apache HTTP Server allows remote attackers to bypass intended access restrictions and send arbitrary commands to an FTP server via vectors related to the embedding of these commands in the Authorization HTTP header, as demonstrated by a certain module in VulnDisco Pack Professional 8.11.
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00944.html
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00645.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9363
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8662
https://bugzilla.redhat.com/show_bug.cgi?id=522209
http://www.securityfocus.com/archive/1/508075/100/0/threaded
http://www.debian.org/security/2009/dsa-1934
http://support.apple.com/kb/HT4077
http://secunia.com/advisories/37152
http://marc.info/?l=bugtraq&m=133355494609819&w=2
http://marc.info/?l=bugtraq&m=130497311408250&w=2
http://marc.info/?l=bugtraq&m=127557640302499&w=2
http://marc.info/?l=bugtraq&m=126998684522511&w=2
http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00006.html
http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html