DNS vulnerabilities pose security concerns

Today's DNS servers are at risk, according to U.K. researchers, due to software flaws creating vulnerabilities that can crash the Internet support system or provide hackers access to connected systems. The news come through an advisory from the U.K. National Infrastructure Security Co-ordination Center. While the vulnerabilities are not being termed "high risk," there have been some denial-of-service attacks in which DNS servers were used. Vendors big and small are reviewing whether their products could be impacted by the flaws.

For more on the DNS vulnerability alert:
- read this NetworkWorld article