Is my host machine completely isolated from a virus-infected virtual machine?
Problem
If I am running a Windows 7 virtual machine on a Windows 7 host using VMWare or VirtualBox (or anything else) and the virtual machine is completely overloaded with viruses and other malicious software, should I worry about my host machine? If I have an anti-virus program on host machine will it detect any problems?
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1 Fix
Fix for: Is my host machine completely isolated from a virus-infected virtual machine?
What every answer has missed so far is that there are more attack vectors than just network connections and file sharing, but with all the other parts of a virtual machine - especially in regards to virtualizing hardware. A good example of this is shown below (ref. 2) where a guest OS can break out of the VMware container using the emulated virtual COM port. Another attack vector, commonly included and sometimes enabled by default, on almost all modern processors, is x86 virtualization. While y…
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