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[ARS] Virtual machine used to steal crypto keys from other VM on same server

post #1 of 5
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http://arstechnica.com/security/2012/11/crypto-keys-stolen-from-virtual-machine/
Quote:
Piercing a key defense found in cloud environments such as Amazon's EC2 service, scientists have devised a virtual machine that can extract private cryptographic keys stored on a separate virtual machine when it resides on the same piece of hardware.

Hard to implement and relatively easy to mitigate... but still impressive that it was accomplished.
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post #2 of 5
Word. Well done gents.

On a related note, didn't another guy figure out how to access the primary OS via a compromised VM recently? What these folks can do is pretty incredible...
    
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post #3 of 5
Wow. I like the comment from the source.
Quote:
I get up in the morning, look at myself in the mirror, and think "Hey there, you are a pretty bright person."

The I read about the people figuring out these kinds of attacks/issues and I think "Wow, I'm amazed I have enough intelligence to tie my own shoes."

I never thought stuff like this was possible, until I found that running Instruments (memory profiler for iPad apps) inside an OS X VM will cause all VMs on the machine to experience kernel panics.
post #4 of 5
Impressive. That is amazing they figured that one out.
post #5 of 5
That seem indeed impressive achivement.
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Kohver v.3
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Intel Core i7 3820 X79-UP4 Gigabyte 390X G1 Club3D 7870 Eyefinity 6 
RAMHard DriveHard DriveHard Drive
64 GB Barracuda 3 TB WD Green 3 TB Crucial M4 256 GB 
Hard DriveHard DriveHard DriveCooling
Crucial M4 64 GB Barracuda 4 TB Corsair LE 480HB Sythe big shuriken rev B 
CoolingCoolingCoolingOS
Nexxos 280mm radiator DC-LT Alphacool GPX 390M04 Windows 7 Pro 64 bit 
MonitorMonitorMonitorMonitor
DELL U2311H (x3) DELL U2312HM (x2) 9.7'' 2048x1536 (x3) IPAD3 retina Asus PB287Q 4K 
KeyboardPowerCaseMouse
CM Quickfire TK (red) Corsair AX-1200i Significantly modded Jupiter .. something alumi... Logitech G700s 
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3M Ergonomic 
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Intel Core i7 3820 X79-UP4 Gigabyte 390X G1 Club3D 7870 Eyefinity 6 
RAMHard DriveHard DriveHard Drive
64 GB Barracuda 3 TB WD Green 3 TB Crucial M4 256 GB 
Hard DriveHard DriveCoolingOS
Crucial M4 64 GB Barracuda 4 TB Sythe big shuriken rev B Windows 7 Pro 64 bit 
MonitorMonitorMonitorMonitor
DELL U2311H (x3) DELL U2312HM (x2) 9.7'' 2048x1536 (x3) IPAD3 retina Asus PB287Q 4K 
KeyboardPowerCaseMouse
CM Quickfire TK (red) Corsair AX-1200i Modded Sharkoon VS-3 Logitech G700s 
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WD Green 3 TB Crucial M4 256 GB Crucial M4 64 GB Barracuda 4 TB 
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Custom loop Windows 7 Pro 64 bit DELL U2311H (x3) DELL U2312HM (x2) 
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9.7'' 2048x1536 (x3) IPAD3 retina Asus PB287Q 4K CM Quickfire TK (red) Corsair AX-1200i 
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