Multiple directory traversal vulnerabilities in the IMAP service in Macallan Mail Solution before 4.8.05.004 allow remote authenticated users to read e-mails of other users or create, modify, or delete directories via a .. (dot dot) in the argument to the (1) CREATE, (2) SELECT, (3) DELETE, or (4) RENAME commands.
https://exchange.xforce.ibmcloud.com/vulnerabilities/24761
http://www.vupen.com/english/advisories/2006/0644
http://www.securityfocus.com/bid/16704
http://securitytracker.com/id?1015647