Oracle Database Server "Oracle Net Services" SERVICE_CURLOAD denial of service
| oracle-net-services-dos (10283) |  Low Risk |
Description:
The Oracle Net Listener in Oracle9i Database Server is vulnerable to a denial of service attack, caused by a vulnerability in the Oracle Net Services. A remote attacker could send a malicious SERVICE_CURLOAD command to the Oracle Net Listener endpoint to cause the Net Listener to crash.
Platforms Affected:
- Oracle, Database Server 8.1.5
- Oracle, Database Server 8.1.5.0.0 Enterprise
- Oracle, Database Server 8.1.5.0.2 Enterprise
- Oracle, Database Server 8.1.5.1.0 Enterprise
- Oracle, Database Server 8.1.6
- Oracle, Database Server 8.1.6.0.0 Enterprise
- Oracle, Database Server 8.1.6.1.0 Enterprise
- Oracle, Database Server 8.1.7
- Oracle, Database Server 8.1.7.0.0 Enterprise
- Oracle, Database Server 8.1.7.1
- Oracle, Database Server 8.1.7.1.0 Enterprise
- Oracle, Database Server 9.0
- Oracle, Database Server 9.0.1 R1
- Oracle, Database Server 9.0.1.2 R1
- Oracle, Database Server 9.0.1.3 R1
- Oracle, Database Server 9.0.2
- Oracle, Database Server 9.2.1 R2
- Oracle, Database Server 9.2.2 R2
Remedy:
Apply the appropriate patch for your system. Refer to Oracle Security Alert #42 for more information. See References.
Consequences:
Denial of Service
References:
- Oracle Security Alert #42, Denial of Services Against Oracle Net Services at http://otn.oracle.com/deploy/security/pdf/2002alert42rev1.pdf.
- Rapid 7, Inc. Security Advisory R7-0006, Oracle 8i/9i Listener SERVICE_CURLOAD Denial of Service at http://www.rapid7.com/advisories/R7-0006.html.
- BID-5678: Oracle TNS Listener Service_CurLoad Remote Denial Of Service Vulnerability
- CVE-2002-1118: TNS Listener in Oracle Net Services for Oracle 9i 9.2.x and 9.0.x, and Oracle 8i 8.1.x, allows remote attackers to cause a denial of service (hang or crash) via a SERVICE_CURLOAD command.
Reported:
Oct 04, 2002
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
Copyright (c) 1994-2008 Internet Security Systems, Inc. All rights reserved worldwide.
For corrections or additions please email xforce@iss.net