[原文]Transparent Network Substrate (TNS) over Net8 (SQLNet) in Oracle 8i 8.1.7 and earlier allows remote attackers to cause a denial of service via a malformed SQLNet connection request with a large offset in the header extension.
Oracle 8i 8.1.7及其更早版本的Transparent Network Substrate (TNS) over Net8 (SQLNet)存在漏洞。远程攻击者可以借助畸形头扩展中的超大位移SQLNet连接请求导致服务拒绝。
* It has been reported that the patch is still unavailable. Forthcoming updates will provide additional information when it becomes available. Until fixes are obtainable, administrators should block network access to the listener. A fix is reportedly being developed. It will be available at the Oracle MetaLink support website. http://metalink.oracle.com