CVE-2009-0780 Denial of service in n/a
Remote attackers can crash the OpenBSD bgpd daemon by sending a long AS path, 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-2009-0780?
CVE-2009-0780 is a medium-severity denial of service vulnerability in Openbsd Openbsd, published on 4 Mar 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The aspath_prepend function in rde_attr.c in bgpd in OpenBSD 4.3 and 4.4 allows remote attackers to cause a denial of service (application crash) via an Autonomous System (AS) advertisement containing a long AS path.
Which versions are affected by CVE-2009-0780?
It affects 1 product.
Products include Openbsd Openbsd.
How do I fix CVE-2009-0780?
No fix has been published for CVE-2009-0780 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-2009-0780 being exploited?
There is no known exploitation of CVE-2009-0780 in the wild and no public exploit code.
Other vulnerabilities in Openbsd Openbsd
Sources
Also known as GHSA-fhvg-9c67-jcf4.