Drupal 4.6.x before 4.6.8 and 4.7.x before 4.7.2, when running under certain Apache configurations such as when FileInfo overrides are disabled within .htaccess, allows remote attackers to execute arbitrary code by uploading a file with multiple extensions, a variant of CVE-2006-2743.
http://www.securityfocus.com/bid/18245
http://www.securityfocus.com/archive/1/435792/100/0/threaded
http://www.debian.org/security/2006/dsa-1125
http://securityreason.com/securityalert/1042