Stack-based buffer overflow in Oracle Net Services for Oracle Database Server 9i release 2 and earlier allows attackers to execute arbitrary code via a "CREATE DATABASE LINK" query containing a connect string with a long USING parameter.
dbsnmp in Oracle Intelligent Agent allows local users to gain privileges by setting the ORACLEHOME environmental variable, which dbsnmp uses to find the nmiconf.tcl script.
Oracle Databases running on Windows XP with Simple File Sharing enabled, allows remote attackers to bypass authentication by supplying a valid username.
Format string vulnerabilities in Oracle Listener Control utility (lsnrctl) for Oracle 9.2 and 9.0, 8.1, and 7.3.4, allow remote attackers to execute arbitrary code on the Oracle DBA system by placing format strings into certain entries in the listener.ora configuration file.