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MODBUS Invalid Write Multiple Coils Request Parameters

 
Signature ID: 35031/0
Original Release:S604
Release:S604 (download)
Original Release Date:2011 October 24
Latest Release Date:2011 October 24
Default Enabled:False
Default Retired:True
Alarm Severity:Low
Fidelity:75 

Description

The MODBUS Write Multiple Coils Request message contains parameters that allow a smaller logical value range than what can be represented in the data field and variable length-encoded parameters. These fields can be manipulated and used by an attacker to trigger denial of service attacks or identify other weaknesses in the MODBUS/TCP implementation.You are entitled to use this signature only if you have purchased an IPS SCADA Signature License.

Recommended Filter

There are no suggested filters.

Benign Triggers

There are no known benign triggers.

IntelliShield Alerts

IntelliShield ID Headline VersionCVSS ScoreLast Published
23514MODBUS/TCP Implementation Request and Response Parameters Denial of Service Vulnerability12011 October 25 14:46 GMT

Download

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