Yesterday a team of researchers from Dragonfire Cyber
provided a live demonstration of the Ripple20 vulnerabilities at the Cyber
Augusta cybersecurity conference in Augusta, GA. Using a mini tank whose drive
was controlled by the Robotron MotorSteuerung software, the team demonstrated
how the known TCP/IP vulnerabilities could be used to take control of the movements
of the vehicle.
Kate Libby, a Dragonfire spokesperson, told reporters that
this demonstration was originally supposed to be done by company founder Dade
Murphy, but due to his current
incarceration in Singapore pending possible extradition to China, Dade was
not able to make the meeting. “Dade spent two years here in Augusta at Army
Cyber Command, so he was very committed to supporting Cyber Augusta,” she told
reporters; “The team knew that we had to make this presentation for him.”
The mini tank used in the demonstration had US Army Cyber
Command markings. There was widespread cheering when it rolled out on stage.
A member of the Dragonfire team that was not authorized to
speak to reporters told me that the demonstration was particularly interesting
because on Friday Robotron published an advisory stating that none of their
products were affected by the Ripple20 vulnerabilities.
Robotron provided the following statement but refused to
answer any questions about the demonstration.
“We published the Ripple20 advisory
based upon the fact that we had not used the affected TCP/IP stack in any of
our products. If the Dragonfire demonstration is an accurate portrayal of an
attack on our MotorSteuerung software, then we have to conclude that the
vulnerable TCP/IP stack is part of a third-party component of the software. We
are in the process of working with the appropriate vendors to try to get to the
bottom of the issue.”
Immanuel C. Securitage from ECS-CERT said: “Third-party software
vulnerabilities are an ongoing problem in the cybersecurity arena. Vendors need
to understand the vulnerabilities in the software libraries and components that
they use and ensure that they are adequately mitigated when used in their
products.” He refused to comment on yesterday’s Dragonfire demonstration.
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