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Cisco Security

Cisco Security

Cisco IOS Telnet DoS

 
Signature ID: 3531/0
Original Release:S112
Release:S410 (download)
Original Release Date:2004 August 30
Latest Release Date:2009 July 03
Default Enabled:False
Default Retired:True
Alarm Severity:High
Fidelity:75 

Description

This signature fires when it detects what is determined to be a packet that may cause the Cisco IOS Telnet DoS. It does not detect the DoS explicitly in and of itself.The exact details of this vulnerability as well as the details of what this signature detects in relation to it have not been made public at this time. Please visit http://www.cisco.com/warp/public/707/cisco-sa-20040827-telnet.shtml for more information regarding the advisory.

Recommended Filter

Non-IOS hosts are recommended to be filtered from this signature.

Benign Triggers

Clients entering the network via a VPN tunnel and connecting to non-IOS devices via telnet may cause the signature to fire.

IntelliShield Alerts

IntelliShield ID Headline VersionCVSS ScoreLast Published
8077Cisco IOS Management Interface Denial of Service Vulnerability35.0/3.72008 July 31 20:01 GMT

Download

To download this and other IPS update files, please go to Cisco Secure Software Download.

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