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The past several weeks have seen some prominent examples of just how contentious the issue of responsible disclosure can still be.
With the Black Hat and DEFCON security conferences just around the corner, Microsoft wants to change the mindset surrounding discussions of vulnerability disclosures by emphasizing the concept of collaboration. Rather than use the term “responsible disclosure,” the company is pushing a similar concept called “coordinated vulnerability disclosure,” where vulnerabilities are either disclosed directly to the affected vendor or a private service, CERT Coordination Center or other coordinator who will report the issue to the vendor privately.
“In recognition of the endless debate between responsible disclosure and full disclosure proponents and its ability to detract from meaningful and productive industry collaboration and customer defense, we believe that the community mindset needs to shift, framing a key point-that coordination and collaboration are required to resolve issues in a way that minimizes risk and disruption for customers,” blogged Matt Thomlinson, general manager for security with Microsoft’s Trustworthy Computing group.
In the event attacks are underway in the wild, vulnerability details can be disclosed publicly earlier with both the finder and vendor working together to provide consistent messaging and guidance to users, he continued.
“[Coordinated vulnerability disclosure] does not represent a huge departure from the current definition of “responsible disclosure,” and we would still view vulnerability details being released broadly outside these guidelines as putting customers at unnecessary levels of risk,” he added. “However, [it] does allow for more focused coordination on how issues are addressed publicly.”
Microsoft’s attempt to shift the focus with wordplay follows the controversy last month surrounding Tavis Ormandy’s public disclosure of a Windows vulnerability five days after he reported it to Microsoft. While some criticized Ormandy for going publicly so quickly, others cited past examples of IT vendors ignoring security flaws presented to them by researchers and leaving the public vulnerable.
Mike Reavy, director of the Microsoft Security Response Center, blogged that he remembered being on the outside of Microsoft and watching researcher discussions noting how the company was unresponsive. Today, Microsoft has made dramatic changes on that front, he wrote.
“Some will say that we take too long to fix our vulnerabilities,” he blogged. “But it isn’t all about time-to-fix: Our chief priority with respect to security updates is to minimize disruption to our customers and to help protect them from online criminal attackers.”
The security response center, he added, receives more than 100,000 e-mail messages per year, which is filtered down to roughly 1,000 legitimate vulnerability investigations.
“When communication breakdowns and disagreements happen, resulting in vulnerability details disclosed by researchers before we release an update, those details are then used by criminals to attack our customers,” Reavy wrote. “The worst situation is when vulnerabilities aren’t disclosed to the vendor at all, because then there’s very little hope of broad protections ever getting released for all customers.”