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Beckhoff TwinCAT SCADA PLC 2.11.0.2004 DoS

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Beckhoff TwinCAT SCADA PLC 2.11.0.2004 DoS

Disclosed
09/13/2011
Created
05/30/2018

Description

The Beckhoff TwinCAT version <= 2.11.0.2004 can be brought down by sending a crafted UDP packet to port 48899 (TCATSysSrv.exe).

Author(s)

  • Luigi Auriemma
  • jfa

Development

Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':

msf > use auxiliary/dos/scada/beckhoff_twincat
msf auxiliary(beckhoff_twincat) > show actions
    ...actions...
msf auxiliary(beckhoff_twincat) > set ACTION < action-name >
msf auxiliary(beckhoff_twincat) > show options
    ...show and set options...
msf auxiliary(beckhoff_twincat) > run 

Time is precious, so I don’t want to do something manually that I can automate. Leveraging the Metasploit Framework when automating any task keeps us from having to re-create the wheel as we can use the existing libraries and focus our efforts where it matters.

– Jim O’Gorman | President, Offensive Security

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