The remote host is missing an update to freeradius announced via advisory USN-832-1.

The problem can be corrected by upgrading your system to the following package versions: Ubuntu 8.04 LTS: freeradius 1.1.7-1ubuntu0.2 In general, a standard system upgrade is sufficient to effect the necessary changes. https://secure1.securityspace.com/smysecure/catid.html?in=USN-832-1

It was discovered that FreeRADIUS did not correctly handle certain malformed attributes. A remote attacker could exploit this flaw and cause the FreeRADIUS server to crash, resulting in a denial of service.