Multiple directory traversal vulnerabilities in Aterr 0.9.1 allow remote attackers to include and execute arbitrary local files via a .. (dot dot) in the (1) class parameter to include/functions.inc.php and the (2) file parameter to include/common.inc.php.
Improper Limitation of a Pathname to a Restricted Directory The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.