Directory traversal vulnerability in the Webmail interface in SurgeMail 2.2g3 allows remote authenticated users to write arbitrary files or directories via a .. (dot dot) in the attach_id parameter.
http://www.security.org.sg/vuln/surgemail22g3.html
http://secunia.com/advisories/14658
http://netwinsite.com/cgi/dnewsweb.cgi?cmd=article&group=netwin.surgemail&item=8814&utag=