SEI Insights

CERT/CC Blog

Vulnerability Insights

Hi, this is Chad Dougherty of the Vulnerability Analysis team. One of the important roles that our team plays is coordinating vulnerability information among a broad range of vendors. Over the years, we have gained a considerable amount of experience communicating with vendors of all shapes and sizes. Based on this experience, we can offer some guidance to vendors about communicating product security issues.

Hello, its Ryan. We've noticed a misconception about IPv6 that is popular on the internet: that IPv6 addresses are hard to ping sweep because there are so many possible addresses. Ping sweeping can lead to port scanning, so this misconception is viewed as a security feature. In this post, I'll prove that, while it won't work across the internet, ping sweeping on the local network is easier in IPv6 than in IPv4.

Hey, it's Will. Earlier this year, details about "carpet bombing" attacks were released. Apple addressed the issue by prompting users before downloading files, but recent news indicates that Google Chrome, which is based on Apple's WebKit code, is also vulnerable to the same type of attack. However, some people seem to be missing an aspect of the attack that affects all web browsers.