php.exe in PHP 3.0 through 4.2.2, when running on Apache, does not terminate properly, which allows remote attackers to cause a denial of service via a direct request without arguments.Referenceshttp://online.securityfocus.com/archive/1/283586http://lists.grok.org.uk/pipermail/full-disclosure/2002-July/000605.htmlhttp://www.iss.net/security_center/static/9646.phphttp://www.securityfocus.com/bid/5280
