parse_xml.cgi in Apple Darwin Streaming Server 4.1.1 allows remote attackers to determine the existence of arbitrary files by using ".." sequences in the filename parameter and comparing the resulting error messages.
https://exchange.xforce.ibmcloud.com/vulnerabilities/11445
https://euvd.enisa.europa.eu/vulnerability/EUVD-2003-1403
http://www.securityfocus.com/bid/6992