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Vulnerability Score 5.0 5.0
CVE Id CVE-1999-1201
Last Modified 10 Sep 2008 03:01:20
Published 06 Feb 1999 12:00:00
Confidentiality Impact NONE NONE
Integrity Impact NONE NONE
Availability Impact PARTIAL PARTIAL
Access Vector NETWORK
Access Complexity LOW
Authentication NONE



Windows 95 and Windows 98 systems, when configured with multiple TCP/IP stacks bound to the same MAC address, allow remote attackers to cause a denial of service (traffic amplification) via a certain ICMP echo (ping) packet, which causes all stacks to send a ping response, aka TCP Chorusing.

Vulnerable Systems

Operating System

  • Microsoft Windows 95

  • Microsoft Windows 98


XF - win-multiple-ip-dos(7542)

BID - 225

NTBUGTRAQ - 19990206 New Windows 9x Bug: TCP Chorusing

Last Updated: 27 May 2016 10:35:19