CVE-2025-6969 OpenHarmony v5.1.0及之前版本本地拒绝服务漏洞

# CVE-2025-6969 PoC - OpenHarmony DOS via Improper Input # This PoC demonstrates the local denial of service vulnerability # in OpenHarmony v5.1.0 and prior versions import subprocess import sys import os def check_vulnerability(): """ Check if the target system is vulnerable to CVE-2025-6969 """ print("[*] Checking for CVE-2025-6969 vulnerability...") print("[*] Target: OpenHarmony <= v5.1.0") print("[*] Vulnerability Type: Local DOS via improper input") # Check OpenHarmony version try: version_cmd = "getprop ro.build.version.opensource" result = subprocess.run(version_cmd, shell=True, capture_output=True, text=True) version = result.stdout.strip() print(f"[+] Detected OpenHarmony version: {version}") except: print("[-] Unable to detect OpenHarmony version") return False # Parse version and check if vulnerable if "5.1" in version or "5.0" in version or "4" in version: print("[!] System appears to be running a potentially vulnerable version") return True else: print("[-] System version not in commonly affected range") return False def trigger_dos(): """ Attempt to trigger the DOS condition Note: This is a conceptual PoC. Actual exploit requires specific input vectors that are not publicly disclosed. """ print("\n[*] Attempting to trigger DOS condition...") print("[*] This PoC demonstrates the vulnerability pattern") # Example malicious input pattern (conceptual) malicious_inputs = [ "overflow_input_pattern", "recursive_input_sequence", "resource_exhaustion_trigger" ] for inp in malicious_inputs: print(f"[*] Testing input: {inp}") # In actual exploitation, this would call vulnerable OpenHarmony APIs # with crafted input to trigger the DOS condition print("\n[!] Note: Actual exploit requires specific vulnerable component access") print("[!] The vulnerability allows local attacker to cause DOS through improper input") return True if __name__ == "__main__": print("=" * 60) print("CVE-2025-6969 PoC - OpenHarmony DOS Vulnerability") print("=" * 60) if check_vulnerability(): print("\n[+] Target is potentially vulnerable") trigger_dos() else: print("\n[-] Target does not appear to be vulnerable") print("\n[*] Remediation: Upgrade to OpenHarmony > v5.1.0")