‘Cisco XR 12000 Series Shared Port Adapters Interface Processor Vulnerability’

Summary

A Shared Port Adapters Interface Process Vulnerability was identified in Cisco XR 12000 Series.’

Credit:

‘The original article can be found at: http://www.cisco.com/warp/public/707/cisco-sa-20110525-iosxrspa.shtml


Details

Vulnerable Systems:
 * Cisco IOS XR Software Releases 3.9.0
 * Cisco IOS XR Software Releases 3.9.1
 * Cisco IOS XR Software Releases 3.9.2
 * Cisco IOS XR Software Releases 4.0.0
 * Cisco IOS XR Software Releases 4.0.1
 * Cisco IOS XR Software Releases 4.0.2
 * Cisco IOS XR Software Releases 4.1.0

Immune Systems:
 * Cisco 12000 Series SPA interface processors running Cisco IOS Software
 * Cisco XR 12000 Series Engine 3 Line Cards
 * Cisco ASR 9000 Series Aggregation Services Routers
 * Cisco Carrier Routing System Series Routers

Successful exploitation of the vulnerability may result in a reloading of the SPA interface processor. Repeated exploitation could result in a sustained denial of service (DoS) condition.

CVE Information:
CVE-2011-1651

Disclosure Timeline:
Revision 1.0 2011-May-25 Initial public release.’

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