CVE-2004-0819 Denial of service in n/a
Remote attackers can crash OpenBSD bridging firewalls via ICMP packets when IPSec link2 option is enabled.
- 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-2004-0819?
CVE-2004-0819 is a medium-severity denial of service vulnerability in Openbsd Openbsd, published on 2 Sep 2004. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The bridge functionality in OpenBSD 3.4 and 3.5, when running a gateway configured as a bridging firewall with the link2 option for IPSec enabled, allows remote attackers to cause a denial of service (crash) via an ICMP echo (ping) packet.
Which versions are affected by CVE-2004-0819?
It affects 1 product.
Products include Openbsd Openbsd.
How do I fix CVE-2004-0819?
No fix has been published for CVE-2004-0819 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-2004-0819 being exploited?
There is no known exploitation of CVE-2004-0819 in the wild and no public exploit code.
Other vulnerabilities in Openbsd Openbsd
Sources
Also known as GHSA-352x-466x-pc2w.