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.apache.org/dist/httpd/Announcement2.2.html http://www.vuxml.org/freebsd/c84dc9ad-41f7-11dd-a4f9-00163e000016.html
The following package is affected: apache CVE-2007-6420 Cross-site request forgery (CSRF) vulnerability in the balancer-manager in mod_proxy_balancer for Apache HTTP Server 2.2.x allows remote attackers to gain privileges via unpsecified vectors. CVE-2008-2364 The ap_proxy_http_process_response function in mod_proxy_http.c in the mod_proxy module in the Apache HTTP Server 2.0.63 and 2.2.8 does not limit the number of forwarded interim responses, which allows remote HTTP servers to cause a denial of service (memory consumption) via a large number of interim responses.