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://www.lighttpd.net/news/ http://xforce.iss.net/xforce/xfdb/19350 http://article.gmane.org/gmane.comp.web.lighttpd/1171 http://www.vuxml.org/freebsd/bdad9ada-8a52-11d9-9e53-000a95bc6fae.html

The following package is affected: lighttpd CVE-2005-0453 The buffer_urldecode function in Lighttpd 1.3.7 and earlier does not properly handle control characters, which allows remote attackers to obtain the source code for CGI and FastCGI scripts via a URL with a %00 (null) character after the file extension.