Cisco ONS CORBA Interoperable Object Reference (IOR) request denial of service

cisco-ons-corba-dos (10508) The risk level is classified as MediumMedium Risk

Description:

Cisco ONS15454 optical transport hardware and Cisco ONS15327 edge optical transport hardware running Cisco ONS software could allow a remote attacker to launch a denial of service attack against the TCC, TCC+, or XTC interface. If a remote attacker requests an invalid CORBA Interoperable Object Reference (IOR) using an HTTP request, the attacker could cause the targeted interface to reset.


Consequences:

Denial of Service

Remedy:

Refer to Cisco Security Advisory 2002 October 31 at 1600 UTC for workaround information or information on obtaining a software upgrade. See References.

References:

  • Cisco Systems Inc. Security Advisory, 2002 October 31 at 1600 UTC: Cisco ONS15454 and Cisco ONS15327 Vulnerabilities.
  • BID-6073: Cisco ONS15454/ONS15327 Optical Transport Platforms Multiple Vulnerabilities
  • BID-6084: Cisco ONS15454/ONS15327 Optical Transport Platforms CORBA IOR Denial Of Service Vulnerability
  • CVE-2002-1556: Cisco ONS15454 and ONS15327 running ONS before 3.4 allows attackers to cause a denial of service (reset) via an HTTP request to the TCC, TCC+ or XTC, in which the request contains an invalid CORBA Interoperable Object Reference (IOR).
  • OSVDB ID: 8925: Cisco ONS HTTP Invalid CORBA IOR DoS

Platforms Affected:

  • Cisco ONS 15327 3.0
  • Cisco ONS 15327 3.1
  • Cisco ONS 15327 3.2
  • Cisco ONS 15327 3.3
  • Cisco ONS 15454 Optical Transport Platform 3.0
  • Cisco ONS 15454 Optical Transport Platform 3.1.0
  • Cisco ONS 15454 Optical Transport Platform 3.2.0
  • Cisco ONS 15454 Optical Transport Platform 3.3

Reported:

Oct 31, 2002

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