CVE-2009-1572 Denial of service in n/a
Remote attackers can crash the Quagga BGP daemon by sending malformed AS path data, 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
- Available
What is CVE-2009-1572?
CVE-2009-1572 is a medium-severity denial of service vulnerability in n/a, published on 6 May 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The BGP daemon (bgpd) in Quagga 0.99.11 and earlier allows remote attackers to cause a denial of service (crash) via an AS path containing ASN elements whose string representation is longer than expected, which triggers an assert error.
Which versions are affected by CVE-2009-1572?
It affects 1 product.
Products include Quagga Quagga.
How do I fix CVE-2009-1572?
Upgrade to a fixed version.
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-2009-1572 being exploited?
There is no known exploitation of CVE-2009-1572 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DSA-1788-1, GHSA-7pv4-f272-hv95.