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Test ID:1.3.6.1.4.1.25623.1.0.10980
Category:CISCO
Title:CSCdt62732
Summary:NOSUMMARY
Description:Description:


When an 802.1x (IEEE standard for port based network access control)
frame is received by an affected Catalyst 5000 series switch on a STP
(Spanning Tree Protocol) blocked port it is forwarded in that VLAN
(Virtual Local Area Network) instead of being dropped. This causes a
performance impacting 802.1x frames network storm in that part of the
network, which is made up of the affected Catalyst 5000 series
switches. This network storm only subsides when the source of the
802.1x frames is removed or one of the workarounds in the workaround
section is applied.


This vulnerability is documented as Cisco bug ID CSCdt62732.

Solution :
http://www.cisco.com/warp/public/707/cat5k-8021x-vuln-pub.shtml
Risk factor : High

*** As Nessus solely relied on the banner of the remote host
*** this might be a false positive


Cross-Ref: BugTraq ID: 2604
Common Vulnerability Exposure (CVE) ID: CVE-2001-0429
http://www.securityfocus.com/bid/2604
Computer Incident Advisory Center Bulletin: L-072
http://www.ciac.org/ciac/bulletins/l-072.shtml
Cisco Security Advisory: 20010416 Catalyst 5000 Series 802.1x Vulnerability
http://www.cisco.com/warp/public/707/cat5k-8021x-vuln-pub.shtml
XForce ISS Database: cisco-catalyst-8021x-dos(6379)
https://exchange.xforce.ibmcloud.com/vulnerabilities/6379
CopyrightThis script is (C) 2002 Renaud Deraison

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