July 11, 2008 1:01 PM PDT

Security Bites 107: Dan Kaminsky talks about responsible vulnerability disclosure

Dan Kaminsky at DefCon in 2006.

(Credit: Declan McCullagh / CNET News)

In the middle of a flood of news surrounding a serious vulnerability within the fundamental structure of the Domain Name System (DNS) is the story of how researcher Dan Kaminsky chose to handle his discovery and, hopefully, it's mitigation. What Kaminsky did was coordinate several vendors in a multiparty, simultaneous release of a patch--a patch that he feels doesn't lend itself to easy reverse engineering.

For the moment, Kaminsky is not talking details. He's hoping that people will apply the various patches, update their DNS servers and clients, and do so before the bad guys can craft their exploits. He's giving everyone 30 days before he spills the technical details at this year's Black Hat conference in Las Vegas in August.

Kaminsky, director of penetration testing at IOActive, is no stranger to discovering vulnerabilities. In this case, however, he says he wasn't looking for the DNS flaw but after three days of testing he knew he had something important.

In this week's Security Bites podcast interview, Kaminsky talks about what goes through his mind when he hits upon a suspected vulnerability and how he decides to proceed from there, and what he's learned thus far from the whole DNS patch experience.

A transcript of this podcast can be found here.


Listen now: Download today's podcast

Recent posts from Security Bites podcast
Security Bites 113: The security of Chrome
Security Bites 112: Out of the shadows
Security Bites 111: Iron Chef returns to Black Hat
Security Bites 110: Breaking Google Gadgets
Security Bites 109: Open-source security
Add a Comment (Log in or register) 2 comments
by Tergon July 11, 2008 3:22 PM PDT
Mp3 cuts out at 10:23 says "We ended up Choosing a fix that would. . . "
This happens both on the podcastpost and here on cnet.com. Please Repost this Podcast as this is probably the most important fix since companies started patching instead on just new releases
Reply to this comment
by Robert Vamosi July 14, 2008 10:01 AM PDT
Yes, there was a technical glitch with the MP3 file on Friday. I apologize for the inconvenience. I have since reposted the file and as of Monday morning it now plays in full.

I have also published a transcript of the interview here.
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About Security Bites podcast

Backdoors, pharming, botnets, phishing, rootkits, viruses, worms. Feeling vulnerable? Every Friday, CNET.com's Robert Vamosi will tell you about the latest security threats, what's coming, and how to protect your system.



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Robert Vamosi Robert Vamosi has appeared on CNN, NBC, ABC, MSNBC, and various other media outlets as an expert on computer viruses, spyware, identity theft, phishing, and other criminal activities on the Internet.

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