Unspecified vulnerability in xdb.dbms_xdbz in the XMLDB component for Oracle Database 9.2.0.6 and 10.1.0.4 has unknown impact and remote authenticated attack vectors, aka Vuln# DB01.  NOTE: as of 20061023, Oracle has not disputed reports from reliable third parties that DB01 is for PL/SQL injection in the ENABLE_HIERARCHY_INTERNAL procedure.