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## https://sploitus.com/exploit?id=A6D752FF-F7A1-515C-A478-6C63702FBC8D
# CVE 2022 -4096
> Amine TITROFINE | January 21, 2023
--------------
This experiment is destinated to demonstrate how the DNS rebinding attack works on an emulated IoT.
In the setup, we have a simulated IoT device, which can be controlled through a web interface (this is typical
for many IoT devices). Many IoT devices do not have a strong protection mechanism, if attackers can
directly interact with them, they can easily compromise these devices.
# Environnement
Host Machine :
- This exploit has been experimented on (**Linux kali 6.0.0-kali5-amd64**), it can also be tested on (**Ubuntu**) distributions
# Exploit
## Containers commands and setup
First, clone this project in your local machine
```
$ git clone https://gitlab.com/grenoble-inp-ensimag/Secu3A/Devoir2/CVE_2022_4096_amine_titrofine_farah_ben_youssef_walid_lanjri.git
```
we access to the directory that contains the files of our repositroy
```
$ cd CVE_2022_4096_amine_titrofine_farah_ben_youssef_walid_lanjri
```
we start by building all the defined services in the (**docker-compose.yaml**) file
```
$ docker-compose build
```
And then, we ran the following command to start the different services
```
$ docker-compose up
```
## Configure the User VM
(**Step 1. Reduce Firefox’s DNS caching time:**)
```
network.dnsCacheExpiration: change its value to 0 (default is 60)
```
(**Step 2. Change /etc/hosts:**)
```
192.168.60.80 www.seedIoT32.com
```
(**Step 3. Local DNS Server:**)
we add the nameserver entry in the resolver configuration file
(/etc/resolv.conf).
```
nameserver 10.9.0.53
```
## Testing the Lab Setup.
After configuring the User VM, use the dig command to get the IP address of www.attacker32.com. You should get 10.9.0.180 . If you do not get this, your lab environment is not set up correctly.
```
$ dig http://www.attacker32.com
```
## Launch the Attack on the IoT Device
This part is well documented in the report, please refer to it starting from page (**17**).