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Georgia Tech researcher flags flaw in open-source vets health system
From: InfoSec News <alerts () infosecnews org>
Date: Thu, 5 Dec 2013 07:46:52 +0000 (UTC)

http://www.networkworld.com/news/2013/120413-open-source-georgia-tech-276573.html

By Jon Gold
Network World
December 04, 2013

An academic exercise by a security researcher blossomed into a live-fire infosec emergency last month, after a major vulnerability was found in a central U.S. government healthcare database system.

Georgia Tech graduate student Doug Mackey didn’t set out to fix a potentially disastrous issue in a major government healthcare records system -- originally, he’d simply meant to outline the relative vulnerability of large government computer systems in general to attacks by foreign governments, as a final project for a Master's in Information Security degree.

He settled on the Veterans Health Information Systems and Technology Architecture, or VistA, an open-source framework used by the Department of Veterans Affairs as a test case. The VA says it's the single largest integrated healthcare system in the U.S., serving 6 million patients per year.

“As much as possible for an independent researcher I wanted to study the security of software used within a real system in a critical economic sector,” he says. “The Health sector and VistA were chosen because VistA is open source and all the source code is easily available. Using the open source code I set-up an isolated lab test system to study.”

Mackey's code review found an alarming vulnerability in VistA that could have been used to execute “thousands” of remote commands, without any authorization, on these health records databases. But at first, he had trouble sounding the alarm.

[...]
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