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Microsoft IPV6 TCPIP Loopback LAND DOS Vulnerability

1 min read

This thread's last reply is from May 17, 2005, 6:41 PM UTC. Software, malware, and removal-tool advice below may be out of date — treat specific steps and download links with caution.

'KotaGuy Admin/Teacher Emeritus
"The Microsoft Windows IPV6 TCP/IP stack is prone to a "loopback" condition initiated by sending a TCP packet with the "SYN" flag set and the source address and port spoofed to equal the destination source and port.

When a packet of this type is handled, an infinite loop is initiated and the affected system halts.

A remote attacker may exploit this issue to deny service for legitimate users.

This issue is reported to affect Microsoft Windows XP Service Pack 2, Windows 2003 Server Service Pack 1."


Security Focus Vulnerabilities here.
'KotaGuy Admin/Teacher Emeritus
Bump