savesettings.php in phpGB 1.20 and earlier does not require authentication, which allows remote attackers to cause a denial of service or execute arbitrary PHP code by using savesettings.php to modify config.php.Referenceshttp://archives.neohapsis.com/archives/bugtraq/2002-09/0076.htmlhttp://www.iss.net/security_center/static/10065.phphttp://www.securityfocus.com/bid/5679
