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Cisco Security

FTP PASS Suspicious Length

 
Signature ID: 3159/0
Original Release:S3
Release:S466 (download)
Original Release Date:2001 May 01
Latest Release Date:2010 February 04
Default Enabled:True
Default Retired:False
Alarm Severity:High
Fidelity:100 

Description

This signature fires if a user supplies a password that is greater than 50 characters.In order to exploit some Wu-ftpd vulnerabilities (related to signature 3158), a malicious user must supply shell code in the password field of the ftp login. Attempts to exploit this vulnerability will cause signatures 3158 and 3159 to fire.

Recommended Filter

No recommended filters.

Benign Triggers

If a user were to have a legitimate password that is longer than 50 characters, this signature will fire.

IntelliShield Alerts

IntelliShield ID Headline VersionCVSS ScoreLast Published
9695Cisco IOS Firewall Authentication Proxy for FTP and Telnet Sessions Buffer Overflow Vulnerability32005 October 13 21:22 GMT

Download

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

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