20 ordspråk av Thomas Kristensen

Thomas Kristensen

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IPv6 is still in very early stages of deployment, so it's natural to see issues coming up and getting fixed. The same kind of vulnerability came up in IPv4.

We aren't aware of any systems that have been compromised yet, but it's likely to happen since there's exploit code out.

This is big problem because a very large number of corporations use Lotus Notes. When users receive an e-mail with an attachment, all they have to do is click on the attachment to read it, and their systems are vulnerable to a remote attack.

It's been tricky, because when we reported the first vulnerability, [IBM was] in the final stages of development with 7.0, and that's why a patch got delayed. Otherwise, I'm sure we would have seen a fix sooner. IBM has always worked with us in a very responsive way.

Why bother writing a virus for Linux and Mac when you can get so many other users by writing one for Windows? This is especially true because, for a virus to become serious, it has to find other vulnerable systems, and with Macs, that would be a very limited spread.

Because of all the barriers, it just seems like virus writers won't bother unless they see Macs as some kind of new frontier. Even then, few won't want to put in that kind of time and effort.

Someone who's able to intercept the message as it's transmitted could inject some data, and then the person who verifies the signature would be told it's a valid, unaltered message.

Only a few companies, including the open source vendor Red Hat, handles vulnerabilities in an equally responsible way.

Since printers are connected to the network, they can be vulnerable. Attackers might use a printer connection to get to other parts of a system, and sometimes it's very easy to get into a company that way.

It certainly is a serious threat, but given the amount of information available from Cisco you would think there would only be an extremely limited number of vulnerable systems. Most people should have patches in place before there are any exploits.

Users should be less concerned if the application they're using is from a Linux distributor, because they have patches available. But with third-party vendors, users might not know about the problem until they read about it.

Three of the vulnerabilities can launch malicious code that allows an attacker to snoop on users. The other vulnerability is a DOS attack that will only work in a few cases and crash the media player when it tries to open a file.

Apple has done much better at dealing with issues in the past couple years than it did before.

An attacker could use the exploit to run any code they want to on a person's system. It could be they want to launch some really nasty code on a user's system.

I think Steve has got some good points on why comparing vulnerability numbers is difficult.

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