Oracle Database Server "Oracle Net Services" SERVICE_CURLOAD denial of service

oracle-net-services-dos (10283) The risk level is classified as MediumMedium 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.


Consequences:

Denial of Service

Remedy:

Apply the appropriate patch for your system. Refer to Oracle Security Alert #42 for more information. See References.

References:

  • Oracle Security Alert #42: Denial of Services Against Oracle Net Services.
  • Rapid 7, Inc. Security Advisory R7-0006: Oracle 8i/9i Listener SERVICE_CURLOAD Denial of Service.
  • 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.
  • OSVDB ID: 9477: Oracle Net Services TNS Listener SERVICE_CURLOAD Command DoS

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

Reported:

Oct 04, 2002

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