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AUSCERT External Security Bulletin Redistribution
ESB-2012.0505.3
Cisco IOS XR Software Route Processor Denial of Service Vulnerability
16 August 2012
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AusCERT Security Bulletin Summary
---------------------------------
Product: Cisco IOS XR
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2012-2488
Original Bulletin:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120530-iosxr
Revision History: August 16 2012: Updated affected platforms to include
RSP-4G and RSP-8G on ASR 9000 Series, prior
to IOS XR 4.2.0
June 1 2012: CVE reference added
May 31 2012: Initial Release
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Cisco IOS XR Software Route Processor Denial of Service Vulnerability
Advisory ID: cisco-sa-20120530-iosxr
Revision 2.0
For Public Release 2012 August 15 16:00 UTC (GMT)
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Summary
=======
Cisco IOS XR Software contains a vulnerability when handling crafted
packets that may result in a denial of service condition. The
vulnerability only exists on Cisco 9000 Series Aggregation Services
Routers (ASR) Route Switch Processor (RSP-4G and RSP-8G), Route Switch
Processor 440 (RSP440), and Cisco Carrier Routing System (CRS)
Performance Route Processor (PRP). The vulnerability is a result of
improper handling of crafted packets and could cause the route
processor, which processes the packets, to be unable to transmit
packets to the fabric.
Cisco has released free software updates that address this vulnerability.
This advisory is available at the following link:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120530-iosxr
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