Directory traversal vulnerability in the FTP and SFTP clients in IDM Computer Solutions Inc UltraEdit 14.00b allows remote FTP servers to create or overwrite arbitrary files via a .. (dot dot) or a ..\ (dot dot backslash) in a response to a LIST command.
https://exchange.xforce.ibmcloud.com/vulnerabilities/43149
http://www.vupen.com/english/advisories/2008/1864/references