National Cyber Awareness System

Vulnerability Summary for CVE-2010-3035

Overview

Cisco IOS XR 3.4.0 through 3.9.1, when BGP is enabled, does not properly handle unrecognized transitive attributes, which allows remote attackers to cause a denial of service (peering reset) via a crafted prefix announcement, as demonstrated in the wild in August 2010 with attribute type code 99, aka Bug ID CSCti62211.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: XF

Name: ciscoiosxr-bgp-packet-dos(61443)

Hyperlink:http://xforce.iss.net/xforce/xfdb/61443

External Source: VUPEN

Name: ADV-2010-2227

Hyperlink:http://www.vupen.com/english/advisories/2010/2227

External Source: SECTRACK

Name: 1024371

Hyperlink:http://www.securitytracker.com/id?1024371

External Source: CISCO

Name: 20100827 Cisco IOS XR Software Border Gateway Protocol Vulnerability

Type: Advisory

Hyperlink:http://www.cisco.com/en/US/products/products_security_advisory09186a0080b4411f.shtml

External Source: SECUNIA

Name: 41190

Hyperlink:http://secunia.com/advisories/41190

External Source: OSVDB

Name: 67696

Hyperlink:http://osvdb.org/67696

External Source: MLIST

Name: [nanog] 20100827 Did your BGP crash today?

Hyperlink:http://mailman.nanog.org/pipermail/nanog/2010-August/024837.html