A directory traversal vulnerability in the _list_file_get function in lib/Majordomo.pm in Majordomo 2 before 20110131 allows remote attackers to read arbitrary files via .. (dot dot) sequences in the help command, as demonstrated using (1) a crafted email and (2) cgi-bin/mj_wwwusr in the web interface.
View the template here CVE-2011-0049.yaml
References:
http://www.kb.cert.org/vuls/id/363726