Windows dynamic DNS update mechanism


The dynamic DNS update mechanism within the DNS Server service in Microsoft Windows does not properly authenticate clients. This occurs with certain configurations, and can allow remote attackers to change DNS records for a web proxy server and conduct man-in-the-middle (MITM) attacks on web traffic. The can also use this flaw to conduct pharming attacks by poisoning DNS records, and cause a denial of service attack.

Additional Resources

MILW0RM: Advisory 3544

About the author

    As CNET's former resident security expert, Robert Vamosi has been interviewed on the BBC, CNN, MSNBC, and other outlets to share his knowledge about the latest online threats and to offer advice on personal and corporate security.


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