Multiple directory traversal vulnerabilities in phpGroupWare 0.9.16.12, and possibly other versions before 0.9.16.014, allow remote attackers to (1) read arbitrary files via the csvfile parameter to addressbook/csv_import.php, or (2) include and execute arbitrary local files via the conv_type parameter in addressbook/inc/class.uiXport.inc.php.
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.