CVEvulnerability

CVE-2004-0257

5.0 MEDIUM Published 2004-11-23 Modified 2026-06-16 Official page ↗

Status: Modified
Published: 2004-11-23
Last modified: 2026-06-16
Assigner: [email protected]
CVSS 2.0 ([email protected]): 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P

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.

Affected configurations

• netbsd netbsd 1.6 • netbsd netbsd 1.6.1 • openbsd openbsd 3.0 • openbsd openbsd 3.1 • openbsd openbsd 3.2 • openbsd openbsd 3.3 • openbsd openbsd 3.4

References

ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2004-002.txt.asc ftp.netbsd.org
http://lists.grok.org.uk/pipermail/full-disclosure/2004-February/016704.html lists.grok.org.uk
http://marc.info/?l=bugtraq&m=107604603226564&w=2 marc.info
http://www.guninski.com/obsdmtu.html www.guninski.com
http://www.openbsd.org/cgi-bin/cvsweb/src/sys/netinet6/ip6_output.c www.openbsd.org
http://www.osvdb.org/3825 www.osvdb.org
http://www.securityfocus.com/bid/9577 Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/15044 exchange.xforce.ibmcloud.com
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2004-002.txt.asc ftp.netbsd.org
http://lists.grok.org.uk/pipermail/full-disclosure/2004-February/016704.html lists.grok.org.uk
http://marc.info/?l=bugtraq&m=107604603226564&w=2 marc.info
http://www.guninski.com/obsdmtu.html www.guninski.com
http://www.openbsd.org/cgi-bin/cvsweb/src/sys/netinet6/ip6_output.c www.openbsd.org
http://www.osvdb.org/3825 www.osvdb.org
http://www.securityfocus.com/bid/9577 Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/15044 exchange.xforce.ibmcloud.com