OpenBSD Portmap Remote Denial of Service Vulnerability

Summary
This host is running portmap and is prone to denial of service vulnerability.
Impact
Successful exploitation will allow attackers to cause denial of service condition. Impact Level: Application
Solution
Apply the patch provided by vendor. For updates refer to http://www.openbsd.org/index.html
Insight
The flaw is due to an error when handling multiple RPC requests and can be exploited to crash the portmap daemon via specially crafted packets sent to TCP port 111.
Affected
OpenBSD version 5.2 and prior
References