Intrusion Prevention

Oracle.Database.DBMS.TNS.Listener.DoS

Description

This indicates an attack attempt against a denial-of-service vulnerability in Oracle Database Server.
The vulnerability is caused by an error when the TNS Listener component handles a specially crafted TNS data packet.

Affected Products

Oracle Oracle9i 9.2.0.8
Oracle Oracle9i 9.2.0.8dv
Oracle Oracle10g 10.1.0.5
Oracle Oracle10g 10.2.0.4
Oracle Oracle11g 11.1.0.7

Impact

Denial of service

Recommended Actions

Apply the patch released by the vendor:
http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpuapr2009.html

CVE References

CVE-2009-0991