Overview: This host is installed with Quagga for Linux and is prone to Denial of Service Vulnerability.
Vulnerability Insight: This flaw is due to an assertion error in the BGP daemon while handling an AS path containing multiple 4 byte AS numbers.
Impact: Successful exploitation will let the attacker crash the daemon by advertising specially crafted AS paths and cause denial of service.
Impact level: Application
Affected Software/OS: Quagga version 0.99.11 and prior
Fix: Apply the security update with the patch 0.99.10-1lenny2 for stable versions. Apply the security update with the patch 0.99.11-2 for unstable versions. http://www.debian.org/security/2009/dsa-1788
***** NOTE: Please ignore the warning if patch has been already applied. *****