CVE-2004-0257 Denial of service in n/a
Remote attackers can crash OpenBSD and NetBSD systems by sending specific IPv6 packets to listening ports, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2004-0257?
CVE-2004-0257 is a medium-severity denial of service vulnerability in Netbsd Netbsd, published on 1 Sep 2004. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2004-0257?
It affects 2 products.
Products include Netbsd Netbsd, Openbsd Openbsd.
How do I fix CVE-2004-0257?
No fix has been published for CVE-2004-0257 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2004-0257 being exploited?
There is no known exploitation of CVE-2004-0257 in the wild and no public exploit code.
Other vulnerabilities in Netbsd Netbsd
Sources
Also known as GHSA-vqm2-c8wp-mmg7.