CVE-2004-0257

N/A Unknown

Published: November 23, 2004 Modified: April 16, 2026

Description

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2004-002.txt.asc

Source: cve@mitre.org

http://lists.grok.org.uk/pipermail/full-disclosure/2004-February/016704.html

Source: cve@mitre.org

http://marc.info/?l=bugtraq&m=107604603226564&w=2

Source: cve@mitre.org

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

Source: cve@mitre.org

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

Source: cve@mitre.org

http://www.osvdb.org/3825

Source: cve@mitre.org

http://www.securityfocus.com/bid/9577

Source: cve@mitre.org

Patch Vendor Advisory

https://exchange.xforce.ibmcloud.com/vulnerabilities/15044

Source: cve@mitre.org

ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2004-002.txt.asc