Security Watch: Squatters Jumping Claims To Domain Names

As the Internet Storm Center is reporting, an exploit is publicly available for the recently-revealed vulnerability in Microsoft Windows' DHCP client. We have seen the exploit as well.

This specific exploit has only been tested by the authors on Windows 2000 SP4, but the exploit is reported by Microsoft to affect Windows XP as well. It's reasonable to assume that the exploit may be adapted to Windows XP.

These attacks are exploitable in the real world, both on business networks and potentially on shared networks such as cable modem networks, where users on a common subnet use DHCP to gain addresses.

It is important for all users to apply this update as soon as possible.



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