More than 10 percent of the Internet’s DNS (Domain Name System) servers are still vulnerable to cache-poisoning attacks, according to a worldwide survey of public-facing Internet nameservers.
That’s despite it being several months since the vulnerabilities were disclosed and fixes made available, said DNS expert Cricket Liu, whose company, Infoblox, commissioned the annual survey.
“We estimate there’s 11.9 million nameservers out there, and over 40 percent allow open recursion, so they accept queries from anyone. Of those, a quarter are not patched. ... READ MORE
