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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.

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Vulnerability Assessment Details

CSCdw19195

Vulnerability Assessment Summary
Uses SNMP to determine if a flaw is present

Detailed Explanation for this Vulnerability Assessment

Some Cisco Catalyst switches, running certain CatOS based software
releases, have a vulnerability wherein a buffer overflow in the telnet
option handling can cause the telnet daemon to crash and result in a
switch reload. This vulnerability can be exploited to initiate a
denial of service (DoS) attack.

This vulnerability is documented as Cisco bug ID CSCdw19195.

Solution :
http://www.cisco.com/warp/public/707/catos-telrcv-vuln-pub.shtml

Reference : http://online.securityfocus.com/archive/1/252833

Network Security Threat Level: High

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

Networks Security ID: 3064

Vulnerability Assessment Copyright: This script is (C) 2002 Renaud Deraison

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