The remote host is missing an update to the system as announced in the referenced advisory.

Update your system with the appropriate patches or software upgrades. http://marc.theaimsgroup.com/?l=bugtraq&m=108820000823191 http://www.vuxml.org/freebsd/fc99c736-3499-11d9-98a7-0090962cff2a.html

The following package is affected: gnats CVE-2004-0623 Format string vulnerability in misc.c in GNU GNATS 4.00 may allow remote attackers to execute arbitrary code via format string specifiers in a string that gets logged by syslog.