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Overview

Vulnerability Score 5.0 5.0
CVE Id CVE-2004-0257
Last Modified 05 Sep 2008 04:37:57
Published 23 Nov 2004 12:00:00
Confidentiality Impact NONE NONE
Integrity Impact NONE NONE
Availability Impact PARTIAL PARTIAL
Access Vector NETWORK
Access Complexity LOW
Authentication NONE

CVE-2004-0257

Summary

OpenBSD 3.4 and NetBSD 1.6 and 1.6.1 allow remote attackers to cause a denial of service (crash) by sending an IPv6 packet with a small MTU to a listening port and then issuing a TCP connect to that port.

Vulnerable Systems

Operating System

  • Netbsd 1.6

  • Netbsd 1.6.1

  • Openbsd 3.0

  • Openbsd 3.1

  • Openbsd 3.2

  • Openbsd 3.3

  • Openbsd 3.4


References

BID - 9577

XF - openbsd-ipv6-dos(15044)

CONFIRM - http://www.openbsd.org/cgi-bin/cvsweb/src/sys/netinet6/ip6_output.c

MISC - http://www.guninski.com/obsdmtu.html

BUGTRAQ - 20040205 OpenBSD IPv6 remote kernel crash

OSVDB - 3825

FULLDISC - 20040204 Remote openbsd crash with ip6, yet still openbsd much better than windows

NETBSD - NetBSD-SA2004-002


Last Updated: 27 May 2016 10:38:32