Directory traversal vulnerability in Oracle Database Server 8i and 9i allows remote attackers to read or rename arbitrary files via "\\.\\.." (modified dot dot backslash) sequences to UTL_FILE functions such as (1) UTL_FILE.FOPEN or (2) UTL_FILE.frename.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-0702
http://www.argeniss.com/research/ARGENISS-ADV-030501.txt
http://marc.info/?l=bugtraq&m=111023635928211&w=2
http://lists.grok.org.uk/pipermail/full-disclosure/2005-March/032273.html