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.
http://www.vupen.com/english/advisories/2006/4065
http://www.us-cert.gov/cas/techalerts/TA06-291A.html
http://www.securityfocus.com/bid/20588
http://www.securityfocus.com/archive/1/449711/100/0/threaded
http://www.securityfocus.com/archive/1/449510/100/0/threaded
http://www.securityfocus.com/archive/1/449110/100/0/threaded
http://www.red-database-security.com/advisory/oracle_sql_injection_dbms_xdbz0.html
http://www.red-database-security.com/advisory/oracle_cpu_oct_2006.html
http://www.oracle.com/technetwork/topics/security/cpuoct2006-095368.html
http://www.kb.cert.org/vuls/id/717140
http://www.databasesecurity.com/oracle/OracleOct2006-CPU-Analysis.pdf