Directory traversal vulnerability in rb.cgi in RRDBrowse 1.6 and earlier allows remote attackers to read arbitrary files via a .. (dot dot) in the file parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/32793
http://www.vupen.com/english/advisories/2007/0834
http://www.securityfocus.com/bid/22817
http://www.securityfocus.com/archive/1/461911/100/0/threaded
http://www.rrdbrowse.org/index.php