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SMB: RFPoison Attack

 
Signature ID: 3323/0
Original Release:S43
Release:S579 (download)
Original Release Date:2003 April 06
Latest Release Date:2011 July 05
Default Enabled:False
Default Retired:True
Alarm Severity:High
Fidelity:100 

Description

Using a specially malformed share enumeration request, an attacker can cause the Service Control Manager (Server service) to misbehave and access illegal memory areas. As a result, the server service will be terminated, resulting in the loss of remote services to the affect machine. These include all services that use named pipes. This results in a seriously degraded system that will likely be unusable for any normal purpose. This attack is known to affect unpatched Windows NT 4 (and its flavors) systems through Microsoft Service pack 6.Note: This signature is only available in Cisco IDS versions 4.0 and greater.

Recommended Filter

No recommended filters.

Benign Triggers

No known triggers.

IntelliShield Alerts

IntelliShield ID Headline VersionCVSS ScoreLast Published
41Microsoft Windows NT Server Service Denial of Service Issue12000 May 01 16:00 GMT

Download

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

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