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OPC-UA TCP SecureChannel Open - Missing Reciever Certificate

 
Signature ID: 4360/0
Original Release:S831
Release:S831 (download)
Original Release Date:2014 October 22
Latest Release Date:2014 October 22
Default Enabled:False
Default Retired:True
Alarm Severity:Medium
Fidelity:65 

Description

This signature identifies malformed OPC SecureChannel Open messages which are malformed and potentially malicious. These messages are characterized by missing receiver certificates, which may signify an attacker attempting to evade security controls.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
34634SCADA OPC-UA TCP Protocol Issues12014 June 18 13:50 GMT

Download

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

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