Provide references for CVE-2009-0820.
Where can I find more information about CVE-2009-0820?
References are available at: http://phpscheduleit.svn.sourceforge.net/viewvc/phpscheduleit/1.2.11/reserve.php?r1=318&r2=328, http://www.vupen.com/english/advisories/2009/0491, http://secunia.com/advisories/33991, http://phpscheduleit.svn.sourceforge.net/viewvc/phpscheduleit/1.2.11/check.php?r1=318&r2=332, http://sourceforge.net/project/shownotes.php?release_id=662749.