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TITLE:
Cisco ONS Products Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA33464

VERIFY ADVISORY:
http://secunia.com/advisories/33464/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From local network

OPERATING SYSTEM:
Cisco ONS 15454 Series
http://secunia.com/advisories/product/12522/
Cisco ONS 15000 Series
http://secunia.com/advisories/product/684/

DESCRIPTION:
A vulnerability has been reported in several Cisco ONS products,
which can be exploited by malicious people to cause a DoS (Denial of
Service).

The vulnerability is caused due to an unspecified error while
processing TCP packets. This can be exploited to reset a control card
via a specially crafted TCP data stream sent to an open card port.

Successful exploitation allows the disruption of synchronous data
channels for all platforms except Cisco ONS 15600, and the temporary
interruption of the management functionality.   

The vulnerability is reported in the following hardware platforms:
* Cisco ONS 15310-CL Series
* Cisco ONS 15327 Series
* Cisco ONS 15454 MSPP
* Cisco ONS 15454 MSTP
* Cisco ONS 15600 Series

SOLUTION:
Update to a fixed version. Please see vendor advisory for a patch
matrix.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://www.cisco.com/warp/public/707/cisco-sa-20090114-ons.shtml

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