Buffer overflow in Transparent Network Substrate (TNS) Listener in Oracle 8i 8.1.7 and earlier allows remote attackers to gain privileges via a long argument to the commands (1) STATUS, (2) PING, (3) SERVICES, (4) TRC_FILE, (5) SAVE_CONFIG, or (6) RELOAD.
https://exchange.xforce.ibmcloud.com/vulnerabilities/6758
http://www.securityfocus.com/bid/2941
http://www.nai.com/research/covert/advisories/050.asp