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.

Oracle 8i and 9i with PL/SQL package for External Procedures (EXTPROC) allows remote attackers to bypass authentication and execute arbitrary functions by using the TNS Listener to directly connect to the EXTPROC process.

The installation of Oracle 8.1.5.x on Linux follows symlinks and creates the orainstRoot.sh file with world-writeable permissions, which allows local users to gain privileges.

Buffer overflow in cmctl program in Oracle 8.1.5 Connection Manager Control allows local users to gain privileges via a long command line argument.

Buffer overflow in Oracle 8.1.5 applications such as names, namesctl, onrsd, osslogin, tnslsnr, tnsping, trcasst, and trcroute possibly allow local users to gain privileges via a long ORACLEHOME environmental variable.

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.

The oratclsh interpreter in Oracle 8.x Intelligent Agent for Unix allows local users to execute Tcl commands as root.