Microsoft WebTV DoS Vulnerability



Date Discovered

September 12, 2000


If a remote user sends a UDP packet to any port in the 22701 - 22705 range to a system running WebTV for Windows, the system may crash entirely or at the least the program will stop responding. As well, sending a UDP packet to port 22703 specifically has been known to cause automatic reboots.

Technologies Affected

  • Microsoft WebTV for Windows 98
  • Microsoft WebTV for Windows 98 SE
  • Microsoft WebTV for Windows ME

Microsoft has released the following patches which eliminate the vulnerability:



Discovered and posted to Bugtraq by Andrew Griffiths <> on Sep 12, 2000.

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