Vulnerability 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.
CVSS Score
5.0
MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Netbsd | Netbsd | 1.6 |
| Openbsd | Openbsd | 3.0 |
References
- ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2004-002.txt.asc
- http://lists.grok.org.uk/pipermail/full-disclosure/2004-February/016704.html
- http://marc.info/?l=bugtraq&m=107604603226564&w=2
- http://www.guninski.com/obsdmtu.html
- http://www.openbsd.org/cgi-bin/cvsweb/src/sys/netinet6/ip6_output.c
- http://www.osvdb.org/3825
- http://www.securityfocus.com/bid/9577PatchVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/15044
- ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2004-002.txt.asc
- http://lists.grok.org.uk/pipermail/full-disclosure/2004-February/016704.html
- http://marc.info/?l=bugtraq&m=107604603226564&w=2
- http://www.guninski.com/obsdmtu.html
- http://www.openbsd.org/cgi-bin/cvsweb/src/sys/netinet6/ip6_output.c
- http://www.osvdb.org/3825
- http://www.securityfocus.com/bid/9577PatchVendor Advisory
FAQ
What is CVE-2004-0257?
CVE-2004-0257 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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 p...
How severe is CVE-2004-0257?
CVE-2004-0257 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2004-0257?
Check the references section above for vendor advisories and patch information. Affected products include: Netbsd Netbsd, Openbsd Openbsd.