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Beckhoff Twincat Denial of Service

 
Signature ID: 1412/0
Original Release:S712
Release:S712 (download)
Original Release Date:2013 April 29
Latest Release Date:2013 April 29
Default Enabled:False
Default Retired:True
CVE:CVE-2011-3486
Alarm Severity:Medium
Fidelity:75 

Description

The signature addresses a vulnerability of a Denial of Service in BeckHoff TwinCat's TCATSysSrv.exe Services daemon which occurs when a malformed UDP packet is set to port 48899. The DoS condition is triggered when an attacker attempts to read memory past the allocated page boundary.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
24152Beckhoff TwinCAT UDP Request Processing Remote Denial of Service Vulnerability32011 October 28 18:45 GMT

Download

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

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