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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.

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# Exploit Title: TypeSetter CMS 5.1 Host Header Injection
# Date: 10-02-2018
# Exploit Author: Navina Asrani
# Contact: https://twitter.com/NavinaSanjay
# Website: https://securitywarrior9.blogspot.in/
# Vendor Homepage: https://www.typesettercms.com/
# Version: 5.1
# CVE : NA
# Category: Webapp CMS

1. Description

The application allows illegitimate host header manipulation and leads to aribtary web page re-direction. This can also lead to severe attacks such as password reset or web cache poisoning

    
2. Proof of Concept

1. Visit the application
2. Tamper the request and change the host to any arbitrary header like google.com
3. The same is added in request and complete page re-direction takes place.
Exploitation Technique: A attacker can perform application modification to perform advanced attacks as as password reset/ cache poisoning etc.
Severity Level: High
Security Risk:
The presence of such a risk can lead to user cache poisoning and user re-direction
Exploit code:

GET / HTTP/1.1
Host: google.com

You can observe the page being re-directed and the Location header changed in response to: http://www.google.com/ 
   
3. Solution:
   
To Mitigate host header injections allows only a white-list of allowed host names.