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Virtual machine escape fetches $105,000 at Pwn2Own hacking contest
03/18/17 12:37 PM


members of Qihoo 360's security team carried out the hack by exploiting a heap overflow bug in Edge, a type confusion flaw in the Windows kernel and an uninitialized buffer vulnerability in VMware, contest organizers reported Friday morning on Twitter. The result was a "complete virtual machine escape."

"We used a JavaScript engine bug within Microsoft Edge to achieve the code execution inside the Edge sandbox, and we used a Windows 10 kernel bug to escape from it and fully compromise the guest machine," Qihoo 360 Executive Director Zheng Zheng wrote in an e-mail. "Then we exploited a hardware simulation bug within VMware to escape from the guest operating system to the host one. All started from and only by a controlled a website."



At last year's Pwn2Own, contestants didn't attempt to target VMWare, an indication reliable exploits were probably worth more than the $75,000 prize that was offered at the time.


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* Virtual machine escape fetches $105,000 at Pwn2Own hacking contest Moose 03/18/17 12:37 PM

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