Summary
The remote host is missing an update to the system as announced in the referenced advisory.
Solution
Update your system with the appropriate patches or software upgrades.
http://awstats.sourceforge.net/awstats_security_news.php http://secunia.com/advisories/19969/
http://www.osreviews.net/reviews/comm/awstats
http://www.vuxml.org/freebsd/2df297a2-dc74-11da-a22b-000c6ec775d9.html
Insight
The following package is affected: awstats