The webcacheadmin module in Oracle Webcache 9i allows remote attackers to corrupt arbitrary files via a full pathname in the cache_dump_file parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/20310
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-1385
http://www.securityfocus.com/bid/13420
http://www.red-database-security.com/advisory/oracle_webcache_append_file_vulnerabilitiy.html